id large_stringlengths 16 92 | source_platform large_stringclasses 3
values | contest large_stringclasses 418
values | issue_id large_stringlengths 0 25 | severity large_stringclasses 2
values | title large_stringlengths 3 307 | description large_stringlengths 0 495k | source_url large_stringlengths 0 86 | domain large_stringclasses 1
value | scraped_at large_stringdate 2026-05-08 04:37:49 2026-05-08 04:37:49 |
|---|---|---|---|---|---|---|---|---|---|
code4rena:2022-11-paraspace-findings:79 | code4rena | 2022-11-paraspace-findings | #79 | High | Data corruption in NFTFloorOracle; Denial of Service | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/main/paraspace-core/contracts/misc/NFTFloorOracle.sol#L335
# Vulnerability details
## Impact
During `_removeFeeder` operation in `NFTFloorOracle` contract, the feeder is removed from `feeders` array, and linking in `feederPositionMap` for the spec... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/79 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:47 | code4rena | 2022-11-paraspace-findings | #47 | High | NFTFloorOracle: Indices of swapped feeder not updated, causing subsequent removals to fail | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/c01a980e5d6e15b2993b912c3569ed8b5236ff33/paraspace-core/contracts/misc/NFTFloorOracle.sol#L332
# Vulnerability details
## Impact
In `NFTFloorOracle`, the index of every feeder is stored in the mapping `feederPositionMap`:
```solidity
function _add... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/47 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:520 | code4rena | 2022-11-paraspace-findings | #520 | Medium | Upgraded Q -> M from #404 [1674736594739] | Judge has assessed an item in Issue #404 as M risk. The relevant finding follows:
[L‑04] latestAnswer() is deprecated
Use latestRoundData() instead so that you can tell whether the answer is stale or not. The latestAnswer() function returns zero if it is unable to fetch data, which may be the case if ChainLink stops ... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/520 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:519 | code4rena | 2022-11-paraspace-findings | #519 | Medium | Upgraded Q -> M from #472 [1674665995647] | Judge has assessed an item in Issue #472 as M risk. The relevant finding follows:
[L-01] CHAINLINK AGGREGATOR IS NOT SUFFICIENTLY VALIDATED AND CAN RETURN STALE ANSWER
As shown below, calling the getAssetPrice function in the ParaSpaceOracle contract can execute price = uint256(source.latestAnswer()), where source is... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/519 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:496 | code4rena | 2022-11-paraspace-findings | #496 | Medium | Oracle will become invalid much faster than intended on non-mainnet chains | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/NFTFloorOracle.sol#L12
# Vulnerability details
## Description
NFTFloorOracle is in charge of answering price queries for ERC721 assets.
EXPIRATION_PERIOD constant is the max ... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/496 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:495 | code4rena | 2022-11-paraspace-findings | #495 | Medium | Fallback oracle is unusable when primary oracle is not updated | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/ParaSpaceOracle.sol#L128
# Vulnerability details
## Description
Paraspace implemented their own Oracle wrapper in ParaSpaceOracle.sol. The important function getAssetPrice() i... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/495 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:438 | code4rena | 2022-11-paraspace-findings | #438 | Medium | Missing `whenNotPaused` modifier in `NFTFloorOracle::getPrice` | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/6542d6e946762fc7a914a3f6f2e08fcbbf6c8a13/paraspace-core/contracts/misc/NFTFloorOracle.sol#L236
# Vulnerability details
### Proof of Concept
Currently the `NFTFloorOracle` allows for an asset to be paused and the `setPrice` functionality has `when... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/438 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:426 | code4rena | 2022-11-paraspace-findings | #426 | Medium | `ParaSpaceOracle.getAssetPrice` can return stale price | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/ParaSpaceOracle.sol#L127-L132
# Vulnerability details
## Impact
When we get asset price from `ParaSpaceOracle.getAssetPrice`, it can return stale price due to an error.
## Pro... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/426 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:423 | code4rena | 2022-11-paraspace-findings | #423 | Medium | ChainLink price calls a deprecated API | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/main/paraspace-core/contracts/misc/ParaSpaceOracle.sol#L128
# Vulnerability details
According to Chainlink’s documentation, the latestAnswer function is deprecated. This function might suddenly stop working if Chainlink stops supporting deprecated... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/423 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:420 | code4rena | 2022-11-paraspace-findings | #420 | Medium | During oracle outages or feeder outages/disagreement, the `ParaSpaceFallbackOracle` is not used | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/ParaSpaceOracle.sol#L114-L136
# Vulnerability details
## Impact
If the feeders haven't updated their prices within the default six-hour time window, the floor oracle will rever... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/420 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:415 | code4rena | 2022-11-paraspace-findings | #415 | Medium | Price returned from Chainlink oracle price feed is not sanitized enough | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/main/paraspace-core/contracts/misc/ParaSpaceOracle.sol#L128
# Vulnerability details
## Impact
Besides the use of the deprecated `latestAnswer()` function from Chainlink oracles, there is not a sufficient amount of checks to make sure that returned... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/415 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:396 | code4rena | 2022-11-paraspace-findings | #396 | Medium | [NAZ-M1] Use Of Deprecated Chainlink Function `latestAnswer` | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/main/paraspace-core/contracts/misc/ParaSpaceOracle.sol#L128
# Vulnerability details
## Impact
`ParaSpaceOracle` should use `latestRoundData()` function and not the deprecated Chainlink function `latestAnswer`.
## Proof of Concept
Such functions m... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/396 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:339 | code4rena | 2022-11-paraspace-findings | #339 | Medium | Deprecated Chainlink interface is used | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/ParaSpaceOracle.sol#L128
# Vulnerability details
## Impact
The deprecated interface doesn't provide additional data that can make integration with Chainlink more reliable. This... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/339 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:330 | code4rena | 2022-11-paraspace-findings | #330 | Medium | First feeder may report a significantly deviated price and disrupt price reporting | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/NFTFloorOracle.sol#L405-L407
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/NFTFloorOracle.sol#L361-L3... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/330 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:319 | code4rena | 2022-11-paraspace-findings | #319 | Medium | Usage of deprecated Chainlink functions | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/ParaSpaceOracle.sol#L128
# Vulnerability details
## Impact
According to Chainlink's documentation, the latestAnswer function is deprecated.
## Proof of Concept
https://github.... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/319 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:316 | code4rena | 2022-11-paraspace-findings | #316 | Medium | first ``setPrice`` of an asset can DOS the NFT oracle | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/NFTFloorOracle.sol#L243-L246
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/NFTFloorOracle.sol#L195
ht... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/316 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:298 | code4rena | 2022-11-paraspace-findings | #298 | Medium | `latestAnswer()` for ERC20 is depreciated | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/ParaSpaceOracle.sol#L127-L132
# Vulnerability details
## Impact
For ERC20, according to Chainlink's documentation, the `latestAnswer()` function is deprecated.
The following ... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/298 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:295 | code4rena | 2022-11-paraspace-findings | #295 | Medium | DoS due to external oracle dependency in `calculateUserAccountData()` | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/protocol/libraries/logic/GenericLogic.sol#L152-L155
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/ParaSpac... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/295 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:274 | code4rena | 2022-11-paraspace-findings | #274 | Medium | `ParaSpaceOracle.getAssetPrice` function call can be DOS'ed when access to corresponding Chainlink price feed is blocked | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/main/paraspace-core/contracts/misc/ParaSpaceOracle.sol#L115-L136
# Vulnerability details
## Impact
Many important functionalities of this protocol rely on the `getAssetPrice` function in the `ParaSpaceOracle` contract, which would be called when c... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/274 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:268 | code4rena | 2022-11-paraspace-findings | #268 | Medium | Price from `assetFeederMap` is not actually deleted | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/NFTFloorOracle.sol#L302-L303
# Vulnerability details
## Description
`delete` doesnt delete mapping inside a struct.
`setPrice()` wouldnt be able to change its price and any us... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/268 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:267 | code4rena | 2022-11-paraspace-findings | #267 | Medium | Front-running admin setPrice call allows a single compromised oracle to set any price, allowing the oracle manipulator to drain all protocol funds | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/NFTFloorOracle.sol#L195-L216
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/NFTFloorOracle.sol#L356-L3... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/267 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:246 | code4rena | 2022-11-paraspace-findings | #246 | Medium | ParaSpaceOracle uses deprecated latestAnswer | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/ParaSpaceOracle.sol#L138-L153
# Vulnerability details
## Impact
Outdated or incorrect asset prices
## Proof of Concept
Chainlink has officially deprecated the latestAnswer m... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/246 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:242 | code4rena | 2022-11-paraspace-findings | #242 | Medium | Fallback oracle is using spot price in Uniswap liquidity pool, which is very vulnerable to flashloan price manipulation | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/ParaSpaceOracle.sol#L131
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/ParaSpaceFallbackOracle.sol#L5... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/242 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:213 | code4rena | 2022-11-paraspace-findings | #213 | Medium | Stale data from oracle | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/ParaSpaceOracle.sol#L128-L129
# Vulnerability details
## Impact
Chainlink `latestAnswer()` is [deprecated](https://docs.chain.link/data-feeds/price-feeds/api-reference/#latesta... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/213 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:192 | code4rena | 2022-11-paraspace-findings | #192 | Medium | getPrice() in NFTFloorOracle returns price for not supported assets too | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/NFTFloorOracle.sol#L234-L248
# Vulnerability details
## Impact
function `getPrice()` returns the most recent price on chain but code don't check that asset is whitelisted and p... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/192 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:163 | code4rena | 2022-11-paraspace-findings | #163 | Medium | ParaSpaceOracle.getAssetPrice doesn't check if price is fresh | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/main/paraspace-core/contracts/misc/ParaSpaceOracle.sol#L115-L136
# Vulnerability details
## Impact
ParaSpaceOracle.getAssetPrice doesn't check if price is fresh. As result stale price can be used which can lead to protocol loses if price has chang... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/163 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:152 | code4rena | 2022-11-paraspace-findings | #152 | Medium | Oracle Price Feed Querying via `latestAnswer() | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/main/paraspace-core/contracts/misc/ParaSpaceOracle.sol#L128
# Vulnerability details
## Impact
The NatSpec of `ParaSpaceOracle.sol` on line 18 is denoted as follows:
```
* - Use of Chainlink Aggregators as first source of price
```
On line 128, t... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/152 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:97 | code4rena | 2022-11-paraspace-findings | #97 | Medium | Vulnerability Report for UniswapV3OracleWrapper Contract | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/main/paraspace-core/contracts/misc/UniswapV3OracleWrapper.sol#L51
# Vulnerability details
## Description
The 'getOnchainPositionData' function in the 'UniswapV3OracleWrapper 'contract does not check the input parameter 'tokenId' for null. This all... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/97 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:83 | code4rena | 2022-11-paraspace-findings | #83 | Medium | FlashLoan Attack Possible to UniswapV3OracleWrapper | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/UniswapV3OracleWrapper.sol#L156-L181
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/UniswapV3OracleWra... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/83 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:62 | code4rena | 2022-11-paraspace-findings | #62 | Medium | ParaSpaceOracle (ChainLink) pricer is using a deprecated API | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/tree/main/paraspace-core/contracts/misc/ParaSpaceOracle.sol#L128
# Vulnerability details
#### Description
According to Chainlink’s documentation, the `latestAnswer` function is deprecated.
This function might suddenly stop working if Chainlink stop s... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/62 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:28 | code4rena | 2022-11-paraspace-findings | #28 | Medium | NFTFloorOracle returns price 0 if an asset is whitelisted but any feeder has populated it's floor price yet. | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/3e4e2e4e1322482dcdc6d342f8799cd44a3e42f5/paraspace-core/contracts/misc/NFTFloorOracle.sol#L236-L248
https://github.com/code-423n4/2022-11-paraspace/blob/3e4e2e4e1322482dcdc6d342f8799cd44a3e42f5/paraspace-core/contracts/misc/NFTFloorOracle.sol#L195-L2... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/28 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-paraspace-findings:10 | code4rena | 2022-11-paraspace-findings | #10 | Medium | `ParaSpaceOracle` uses a deprecated API in `getAssetPrice` which could lead to stale price | # Lines of code
https://github.com/code-423n4/2022-11-paraspace/blob/c6820a279c64a299a783955749fdc977de8f0449/paraspace-core/contracts/misc/ParaSpaceOracle.sol#L128
# Vulnerability details
## Impact
`ParaSpaceOracle` uses `latestAnswer` in `getAssetPrice`. The documentation state that `source` could be "chainlink o... | https://github.com/code-423n4/2022-11-paraspace-findings/issues/10 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-redactedcartel-findings:205 | code4rena | 2022-11-redactedcartel-findings | #205 | Medium | An attacker can sandwich the compound function when used in the contract because the slippage allowed is 99% | # Lines of code
https://github.com/code-423n4/2022-11-redactedcartel/blob/684627b7889e34ba7799e50074d138361f0f532b/src/vaults/AutoPxGmx.sol#L321
# Vulnerability details
## Impact
when the router is going to the trade from `baseGmxReward` to `Gmx` the slippage set is `1` which is saying we allow the trade to take 99... | https://github.com/code-423n4/2022-11-redactedcartel-findings/issues/205 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-redactedcartel-findings:193 | code4rena | 2022-11-redactedcartel-findings | #193 | Medium | PirexGMX migration can always be DOS'd if owner is multisig | # Lines of code
https://github.com/code-423n4/2022-11-redactedcartel/blob/03b71a8d395c02324cb9fdaf92401357da5b19d1/src/PirexGmx.sol#L921-L935
# Vulnerability details
## Impact
PirexGMX migration can always be DOS'd if owner is multisig
## Proof of Concept
[GMX Reward Router](https://arbiscan.io/address/0xA906F33... | https://github.com/code-423n4/2022-11-redactedcartel-findings/issues/193 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-size-findings:186 | code4rena | 2022-11-size-findings | #186 | High | Quotetoken can be address(0) or any EOA and still allow auctions and bids to be created | # Lines of code
https://github.com/code-423n4/2022-11-size/blob/main/src/SizeSealed.sol#L55
# Vulnerability details
### Impact
[`createAuction()`](https://github.com/code-423n4/2022-11-size/blob/main/src/SizeSealed.sol#L55) in [SizeSealed.sol](https://github.com/code-423n4/2022-11-size/blob/main/src/SizeSealed.sol... | https://github.com/code-423n4/2022-11-size-findings/issues/186 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-11-stakehouse-findings:99 | code4rena | 2022-11-stakehouse-findings | #99 | Medium | OwnableSmartWallet: Multiple approvals can lead to unwanted ownership transfers | # Lines of code
https://github.com/code-423n4/2022-11-stakehouse/blob/4b6828e9c807f2f7c569e6d721ca1289f7cf7112/contracts/smart-wallet/OwnableSmartWallet.sol#L94
https://github.com/code-423n4/2022-11-stakehouse/blob/4b6828e9c807f2f7c569e6d721ca1289f7cf7112/contracts/smart-wallet/OwnableSmartWallet.sol#L105-L106
# Vul... | https://github.com/code-423n4/2022-11-stakehouse-findings/issues/99 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-stealth-project-findings:80 | code4rena | 2022-12-stealth-project-findings | #80 | Medium | user can loose ETH when using ``Router::multicall`` | # Lines of code
https://github.com/code-423n4/2022-12-Stealth-Project/blob/fc8589d7d8c1d8488fd97ccc46e1ff11c8426ac2/router-v1/contracts/Router.sol#L59
https://github.com/code-423n4/2022-12-Stealth-Project/blob/fc8589d7d8c1d8488fd97ccc46e1ff11c8426ac2/router-v1/contracts/Router.sol#L80
https://github.com/code-423n4/202... | https://github.com/code-423n4/2022-12-stealth-project-findings/issues/80 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-stealth-project-findings:64 | code4rena | 2022-12-stealth-project-findings | #64 | Medium | `exactInput` allows stealing of funds via a malicious pool contract | # Lines of code
https://github.com/code-423n4/2022-12-Stealth-Project/blob/fc8589d7d8c1d8488fd97ccc46e1ff11c8426ac2/router-v1/contracts/Router.sol#L151
https://github.com/code-423n4/2022-12-Stealth-Project/blob/fc8589d7d8c1d8488fd97ccc46e1ff11c8426ac2/router-v1/contracts/Router.sol#L128
# Vulnerability details
## I... | https://github.com/code-423n4/2022-12-stealth-project-findings/issues/64 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:285 | code4rena | 2022-12-backed-findings | #285 | High | Malicious user able to start auction to any NFT | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/NFTEDA/NFTEDA.sol#L48-L67
# Vulnerability details
## Impact
Any address can start an auction for an NFT, regardless of whether they are the actual owner of the NFT. This vulnerability could allow an attacker to sta... | https://github.com/code-423n4/2022-12-backed-findings/issues/285 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:271 | code4rena | 2022-12-backed-findings | #271 | High | Wrong implemention of ERC721TokenReceiver interface leads to incorrect collateral ownership and NFT loss | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L159
# Vulnerability details
## Impact
To add a collateral, one could send the NFT directly to the contract, **onERC721Received** is called then to handle adding the collateral to the vault.
http... | https://github.com/code-423n4/2022-12-backed-findings/issues/271 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:243 | code4rena | 2022-12-backed-findings | #243 | High | NFT operators of OpenZeppelin-based NFTs can issue debt | # Lines of code
https://github.com/transmissions11/solmate/blob/3a752b8c83427ed1ea1df23f092ea7a810205b6c/src/tokens/ERC721.sol#L87
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L101
# Vulnerability details
### Description
The Papr protocol allows NFT owner... | https://github.com/code-423n4/2022-12-backed-findings/issues/243 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:242 | code4rena | 2022-12-backed-findings | #242 | High | attacker can create un collateralized debt by reentrancy attack during _removeCollateral() by removing all collaterals and liquidating the last one which would set debt to zero. unfair liquidation can happen with reentrancy too | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L424-L454
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L296-L345
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f8... | https://github.com/code-423n4/2022-12-backed-findings/issues/242 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:239 | code4rena | 2022-12-backed-findings | #239 | High | Oracle may return a stale price that is not resistant to flash crashes | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/ReservoirOracleUnderwriter.sol#L35
# Vulnerability details
## Impact
Oracle may return a stale price in the event of a flash crash which will affect protocol calculation of maxDebt and affect protocol.
## Proof o... | https://github.com/code-423n4/2022-12-backed-findings/issues/239 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:214 | code4rena | 2022-12-backed-findings | #214 | High | purchaseLiquidationAuctionNFT() may incorrectly returned the Auction funds to the liquidated user | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L264-L294
# Vulnerability details
## Impact
may incorrectly returned the Auction funds to the liquidated user
in purchaseLiquidationAuctionNFT(), After someone purchases the auction NFT, the am... | https://github.com/code-423n4/2022-12-backed-findings/issues/214 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:204 | code4rena | 2022-12-backed-findings | #204 | High | Underlying With Non-Standard Decimals Not Supported | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L86-L90
# Vulnerability details
## Impact
Arithmetic operations are performed with the assumption that the token always has 18 decimals.
## Proof of Concept
It would not be possible without usin... | https://github.com/code-423n4/2022-12-backed-findings/issues/204 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:201 | code4rena | 2022-12-backed-findings | #201 | High | Some NFTs could be possibly stuck and can not be withdrawn when removing the collateral | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L444
# Vulnerability details
## Impact
When adding a collateral, the protocol transfers the NFT from the user to the contract by calling ERC721's `transferFrom()`, and when removing the collater... | https://github.com/code-423n4/2022-12-backed-findings/issues/201 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:195 | code4rena | 2022-12-backed-findings | #195 | High | PaprController is vulnerable to reentrancy attacks | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/NFTEDA/NFTEDA.sol#L91
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L264-L294
# Vulnerability details
## Impact
Malicious users can steal PAPR tokens thro... | https://github.com/code-423n4/2022-12-backed-findings/issues/195 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:190 | code4rena | 2022-12-backed-findings | #190 | High | Users may be liquidated right after taking maximal debt | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L471
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L317
# Vulnerability details
## Impact
Since there's no gap between the maximal LTV a... | https://github.com/code-423n4/2022-12-backed-findings/issues/190 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:183 | code4rena | 2022-12-backed-findings | #183 | High | Collateral NFT deposited to a wrong address, when transferred directly to `PaprController` | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L159
# Vulnerability details
## Impact
Users will lose collateral NFTs when they are transferred to `PaprController` by an approved address or an operator.
## Proof of Concept
The `PaprController... | https://github.com/code-423n4/2022-12-backed-findings/issues/183 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:160 | code4rena | 2022-12-backed-findings | #160 | High | `fundingRate` formula and `_multiplier()` | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/UniswapOracleFundingRateController.sol#L45-L60
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/UniswapOracleFundingRateController.sol#L132-L134
https://github.com/with-backed/papr... | https://github.com/code-423n4/2022-12-backed-findings/issues/160 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:153 | code4rena | 2022-12-backed-findings | #153 | High | `PaprController.onERC721Received()` assigns collateral to operator's vault instead of the nft owner's one | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L159
# Vulnerability details
## Impact
The collateral is assigned to the operator's vault because of a parameter mismatch. This impacts the ability of third parties to integrate the PaprControlle... | https://github.com/code-423n4/2022-12-backed-findings/issues/153 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:146 | code4rena | 2022-12-backed-findings | #146 | High | PUNK does not conform to ERC721 standard hence safeTransferFrom from solmate does not work | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L444
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/NFTEDA/NFTEDA.sol#L91
# Vulnerability details
## Impact
Since protocol's intended NFT target is PUNK cur... | https://github.com/code-423n4/2022-12-backed-findings/issues/146 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:144 | code4rena | 2022-12-backed-findings | #144 | High | Initial value of auction starter discount is set wrong | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L76
# Vulnerability details
## Impact
The protocol offers a discount for auction starters when purchasing the liquidated NFT as an incentive for users to start an auction. I believe the intended ... | https://github.com/code-423n4/2022-12-backed-findings/issues/144 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:138 | code4rena | 2022-12-backed-findings | #138 | High | Reentrancy attack allows to get loan for free | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L264-L294
# Vulnerability details
## Impact
Reentrancy attack allows to get loan for free when `startLiquidationAuction` is called on last collateral token.
## Proof of Concept
When user has a b... | https://github.com/code-423n4/2022-12-backed-findings/issues/138 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:136 | code4rena | 2022-12-backed-findings | #136 | High | Liquidation logic is incorrect in some conditions | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L264-L294
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L532-L552
# Vulnerability details
## Impact
Because `purchaseLiquidationAuctionN... | https://github.com/code-423n4/2022-12-backed-findings/issues/136 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:135 | code4rena | 2022-12-backed-findings | #135 | High | Borrowers don’t need to run the risk of being liquidated | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L424-L454
# Vulnerability details
## Impact
Borrowers are able to borrow Papr, swap it for another asset in Uniswap without ever having to pay their debt because they can remove their collateral... | https://github.com/code-423n4/2022-12-backed-findings/issues/135 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:129 | code4rena | 2022-12-backed-findings | #129 | High | PaprController.sol: reservoir oracle price equal to 0 allows bypassing NFT liquidations | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L264-L294
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L270-L272
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f8... | https://github.com/code-423n4/2022-12-backed-findings/issues/129 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:121 | code4rena | 2022-12-backed-findings | #121 | High | Misunderstanding `operator` with `from` | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L152-L177
# Vulnerability details
### Author: rotcivegaf
### Impact
The owner of the ERC721 token could approve an operator to manage his tokens
With the misunderstanding of `operator` with `f... | https://github.com/code-423n4/2022-12-backed-findings/issues/121 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:102 | code4rena | 2022-12-backed-findings | #102 | High | Stealing fund by applying reentrancy attack on `removeCollateral`, `startLiquidationAuction`, and `purchaseLiquidationAuctionNFT` | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L444
# Vulnerability details
## Impact
By applying reentrancy attack involving the functions `removeCollateral`, `startLiquidationAuction`, and `purchaseLiquidationAuctionNFT`, an Attacker can s... | https://github.com/code-423n4/2022-12-backed-findings/issues/102 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:98 | code4rena | 2022-12-backed-findings | #98 | High | setFundingPeriod leads to Price control | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/UniswapOracleFundingRateController.sol#L123
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/UniswapOracleFundingRateController.sol#L124
# Vulnerability details
## Impact
Atta... | https://github.com/code-423n4/2022-12-backed-findings/issues/98 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:97 | code4rena | 2022-12-backed-findings | #97 | High | Borrowers may earn auction proceeds without filling the debt shortfall | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L264-L294
# Vulnerability details
## Impact
The proceeds from the collateral auctions will not be used to fill the debt shortfall, but be transferred directly to the borrower.
## Proof of Concep... | https://github.com/code-423n4/2022-12-backed-findings/issues/97 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:83 | code4rena | 2022-12-backed-findings | #83 | High | Insufficient Timestamp Validation for Signed Messages | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/ReservoirOracleUnderwriter.sol#L106
# Vulnerability details
## Impact
A message can be signed by the oracle for any future point in time, and it will be valid for 20 minutes. If messages with invalid timestamps (po... | https://github.com/code-423n4/2022-12-backed-findings/issues/83 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:82 | code4rena | 2022-12-backed-findings | #82 | High | Signatures are replayable cross-chain | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/ReservoirOracleUnderwriter.sol#L68
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L122
# Vulnerability details
## Impact
Chain ID is not included in the sig... | https://github.com/code-423n4/2022-12-backed-findings/issues/82 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:70 | code4rena | 2022-12-backed-findings | #70 | High | PaprController.sol: Auction price can be sent to borrower without fully repaying debt | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L264-L294
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L297-L345
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f8... | https://github.com/code-423n4/2022-12-backed-findings/issues/70 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:63 | code4rena | 2022-12-backed-findings | #63 | High | Resetting debt to zero through reentrancy from `_removeCollateral` | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L444
# Vulnerability details
Resetting debt to zero through reentrancy from `_removeCollateral`
===
### Summary
`PaprController._removeCollateral` purposefully allows for reentrancy to repay debt... | https://github.com/code-423n4/2022-12-backed-findings/issues/63 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:53 | code4rena | 2022-12-backed-findings | #53 | High | Double payment for function buyAndReduceDebt | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L208
# Vulnerability details
## Impact
Detailed description of the impact of this finding.
The ``msg.sender`` will pay twice for reducing the debt for a particular ``account`` when ``account != m... | https://github.com/code-423n4/2022-12-backed-findings/issues/53 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:52 | code4rena | 2022-12-backed-findings | #52 | High | A user might abuse NFT approval and borrow papr tokens to himself with debt to the NFT owner | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L159
# Vulnerability details
## Impact
Detailed description of the impact of this finding.
A user might abuse NFT approval and borrow papr tokens to himself with debt to the NFT owner.
## Proof ... | https://github.com/code-423n4/2022-12-backed-findings/issues/52 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:43 | code4rena | 2022-12-backed-findings | #43 | High | Add amountOut >= fee check before transferring tokens | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L203
# Vulnerability details
## Impact
We don't have any amount check before transferring tokens. The ```amountOut``` may be less than ```fee```. This will leads to a overflow and transfer a huge... | https://github.com/code-423n4/2022-12-backed-findings/issues/43 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:39 | code4rena | 2022-12-backed-findings | #39 | High | Failure to check costraint targetMarkRatioMin < targetMarkRatioMax | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/UniswapOracleFundingRateController.sol#L34
# Vulnerability details
## Impact
Detailed description of the impact of this finding.
The constructor of the ``UniswapOracleFundingRateController`` fails to check the cons... | https://github.com/code-423n4/2022-12-backed-findings/issues/39 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:38 | code4rena | 2022-12-backed-findings | #38 | High | Wrong calculation of excess and neededToSaveVault in function purchaseLiquidationAuctionNFT() | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L264
# Vulnerability details
## Impact
Detailed description of the impact of this finding.
The calculations for ``excess`` and ``neededToSaveVault`` are wrong for function ``purchaseLiquidationA... | https://github.com/code-423n4/2022-12-backed-findings/issues/38 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:34 | code4rena | 2022-12-backed-findings | #34 | High | Integer overflow vulnerability in BIPS_ONE constant | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L24
# Vulnerability details
## Impact
The contract uses several arithmetic operations that could potentially result in integer overflow or underflow. For example, the BIPS_ONE variable is set to ... | https://github.com/code-423n4/2022-12-backed-findings/issues/34 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:33 | code4rena | 2022-12-backed-findings | #33 | High | Reentrancy vulnerability in contract constructor | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L81
# Vulnerability details
## Impact
There is no protection against reentrancy attacks in this smart contract. An attacker could call an external contract that calls back into this contract befo... | https://github.com/code-423n4/2022-12-backed-findings/issues/33 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:30 | code4rena | 2022-12-backed-findings | #30 | High | Unchecked external contract function return values | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/ReservoirOracleUnderwriter.sol#L64,#L75
# Vulnerability details
## Impact
The contract does not check the return value of the ecrecover and getCollateralPrice functions, which may result in vulnerabilities if these... | https://github.com/code-423n4/2022-12-backed-findings/issues/30 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:29 | code4rena | 2022-12-backed-findings | #29 | High | Reentrancy attack vulnerability | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/ReservoirOracleUnderwriter.sol#L66
# Vulnerability details
## Impact
The contract calls external contract functions in the ecrecover and getCollateralPrice functions, which may be susceptible to reentrancy attacks.... | https://github.com/code-423n4/2022-12-backed-findings/issues/29 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:25 | code4rena | 2022-12-backed-findings | #25 | High | Protecting against reentrancy attacks | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/NFTEDA/extensions/NFTEDAStarterIncentive.sol#L1-#L78
# Vulnerability details
## Impact
An attacker could potentially call a function in this contract that calls an external contract, which in turn calls back into t... | https://github.com/code-423n4/2022-12-backed-findings/issues/25 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:7 | code4rena | 2022-12-backed-findings | #7 | High | PaprController will reverts for unintended reasons | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L467
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L270
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/s... | https://github.com/code-423n4/2022-12-backed-findings/issues/7 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:6 | code4rena | 2022-12-backed-findings | #6 | High | increaseDebt is made with no access control | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L143
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L144
# Vulnerability details
## Impact
This can make the attacker to mint as many tok... | https://github.com/code-423n4/2022-12-backed-findings/issues/6 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:3 | code4rena | 2022-12-backed-findings | #3 | High | underwritePriceForCollateral may returns false price | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/ReservoirOracleUnderwriter.sol#L106
# Vulnerability details
## Impact
The underwritePriceForCollateral function returns false prices
## Proof of Concept
The contract ReservoirOracleUnderwriter returns the price fo... | https://github.com/code-423n4/2022-12-backed-findings/issues/3 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:305 | code4rena | 2022-12-backed-findings | #305 | Medium | Upgraded Q -> M from #216 [1673172689834] | Judge has assessed an item in Issue #216 as M risk. The relevant finding follows:
Last collateral check is not safe | https://github.com/code-423n4/2022-12-backed-findings/issues/305 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:304 | code4rena | 2022-12-backed-findings | #304 | Medium | Upgraded Q -> M from #172 [1673039408650] | Judge has assessed an item in Issue #172 as M risk. The relevant finding follows:
[L-02] | https://github.com/code-423n4/2022-12-backed-findings/issues/304 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:302 | code4rena | 2022-12-backed-findings | #302 | Medium | Upgraded Q -> M from #188 [1671981716625] | Judge has assessed an item in Issue #188 as M risk. The relevant finding follows:
188 | https://github.com/code-423n4/2022-12-backed-findings/issues/302 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:301 | code4rena | 2022-12-backed-findings | #301 | Medium | function buyAndReduceDebt() spend more underlying token than user specified and also code doesn't check that swapFeeBips is less than BIPS_ONE and user can lose some of his underlying token balance that he gave protocol spending approval | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L182-L205
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L208-L232
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f8... | https://github.com/code-423n4/2022-12-backed-findings/issues/301 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:300 | code4rena | 2022-12-backed-findings | #300 | Medium | Signature mallebaility in underwritePriceForCollateral | # Lines of code
https://github.com/with-backed/papr/blob/792f0005d1202462900babc1d433e26507f25ba9/src/ReservoirOracleUnderwriter.sol#L68-L90
# Vulnerability details
## Impact
`underwritePriceForCollateral` has signature malleability as it doesn't check for a returned address of not 0. Value can be set to 0 `oracleS... | https://github.com/code-423n4/2022-12-backed-findings/issues/300 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:298 | code4rena | 2022-12-backed-findings | #298 | Medium | totalCollateralValue in maxDebt may not be calculated correctly everytime | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L456-L469
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L556-L560
# Vulnerability details
## Impact
totalCollateralValue in maxDebt may... | https://github.com/code-423n4/2022-12-backed-findings/issues/298 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:297 | code4rena | 2022-12-backed-findings | #297 | Medium | A BETTER APPROACH TO REVERTING CODE LINES ON _ADDCOLLATERALTOVAULT() AND _REMOVECOLLATERAL() | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L415
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L450
# Vulnerability details
## Impact
In `PaperControl.sol`, callers would have to d... | https://github.com/code-423n4/2022-12-backed-findings/issues/297 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:296 | code4rena | 2022-12-backed-findings | #296 | Medium | Contract owner can drain all NFT collateral | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L365-L379
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L456-L479
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f8... | https://github.com/code-423n4/2022-12-backed-findings/issues/296 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:291 | code4rena | 2022-12-backed-findings | #291 | Medium | Potential DOS in `removeCollateral` | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L109-L135
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L444
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd... | https://github.com/code-423n4/2022-12-backed-findings/issues/291 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:289 | code4rena | 2022-12-backed-findings | #289 | Medium | Early NFT collections such as CryptoPunks and MoonCats can not be used as a collateral | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L98
# Vulnerability details
## Impact
Early NFT collections such as CryptoPunks, EtherRocks and MoonCats are not compliant with ERC721 standard. therefore, they can not be used as a collateral s... | https://github.com/code-423n4/2022-12-backed-findings/issues/289 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:288 | code4rena | 2022-12-backed-findings | #288 | Medium | When liquidation is not locked, anyone can liquidate another persons' collateral | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L360-L362
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L297-L304
# Vulnerability details
## Impact
Petty users can liquidate other peo... | https://github.com/code-423n4/2022-12-backed-findings/issues/288 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:286 | code4rena | 2022-12-backed-findings | #286 | Medium | code doesn't check that the Uniswap pool is not exist and if attacker creates the uniswap pool before hand with calculatable papr address and underlying address and exact fee amount, then the deployment transaction would fail always | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L67-L95
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/libraries/UniswapHelpers.sol#L63-L77
# Vulnerability details
## Impact
attacker can perform DOS and p... | https://github.com/code-423n4/2022-12-backed-findings/issues/286 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:284 | code4rena | 2022-12-backed-findings | #284 | Medium | NFT owner only is allowed for liquidation, this may not work for all the cases, the debt can be insolvent | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L297-L313
# Vulnerability details
## Impact
When bad debt is not paid or not able to recover the through auction of NFT, then the debt will be insolvent.
## Proof of Concept
Contract allows for... | https://github.com/code-423n4/2022-12-backed-findings/issues/284 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:280 | code4rena | 2022-12-backed-findings | #280 | Medium | PaprController.removeCollateral() only takes the price of the first collateral to determine whether the NFTs can be withdrawn | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L109-L135
# Vulnerability details
## Impact
Unintended leniency of protocol will be taken advantage by users. Users can withdraw NFTs even if their debt of a particular NFT is higher than intend... | https://github.com/code-423n4/2022-12-backed-findings/issues/280 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:276 | code4rena | 2022-12-backed-findings | #276 | Medium | function underwritePriceForCollateral() uses message.timestamp > block.timestamp to validate oracle message timestamp but it can create MEV as miners can control block.timestamp and revert some of the user's transactions | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/ReservoirOracleUnderwriter.sol#L64-L117
# Vulnerability details
## Impact
Function `underwritePriceForCollateral()` validates the oracle message which includes the price of the NFT and returns the price of an asse... | https://github.com/code-423n4/2022-12-backed-findings/issues/276 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:275 | code4rena | 2022-12-backed-findings | #275 | Medium | if msg.sender != account, then msg.sender double pays in buyAndReduceDebt | # Lines of code
https://github.com/with-backed/papr/blob/master/src/PaprController.sol#L208-L232
# Vulnerability details
## Impact
If `msg.sender` chooses to pay for some other `account`'s debt, then he has to pay double.
## Proof of Concept
https://github.com/with-backed/papr/blob/master/src/PaprController.sol#L2... | https://github.com/code-423n4/2022-12-backed-findings/issues/275 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:272 | code4rena | 2022-12-backed-findings | #272 | Medium | Protocol faces truncation issue in some places due to solidity integer division | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/UniswapOracleFundingRateController.sol#L158
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/UniswapOracleFundingRateController.sol#L163
https://github.com/with-backed/papr/blob/95... | https://github.com/code-423n4/2022-12-backed-findings/issues/272 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:270 | code4rena | 2022-12-backed-findings | #270 | Medium | PaprController should not pay the swap fee in buyAndReduceDebt | # Lines of code
https://github.com/with-backed/papr/blob/master/src/PaprController.sol#L208-L232
# Vulnerability details
## Impact
https://github.com/with-backed/papr/blob/master/src/PaprController.sol#L225-L227
The best case scenario is that the paprController doesn't have any underlying tokens, in which case, buy... | https://github.com/code-423n4/2022-12-backed-findings/issues/270 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:269 | code4rena | 2022-12-backed-findings | #269 | Medium | SOLMATE SAFETRANSFER AND SAFETRANSFERFROM DOES NOT CHECK THE CODESIZE OF THE TOKEN ADDRESS, WHICH MAY LEAD TO FUND LOSS | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L253
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L383
# Vulnerability details
## Impact
Reference from a previous Contrest : https://c... | https://github.com/code-423n4/2022-12-backed-findings/issues/269 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:266 | code4rena | 2022-12-backed-findings | #266 | Medium | incorrect message signer check in ecrecover() and no validation for oracleSigner which would cause all the unsigned messagess to be considered asvalid ones | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L67-L95
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/ReservoirOracleUnderwriter.sol#L51-L54
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f9... | https://github.com/code-423n4/2022-12-backed-findings/issues/266 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:264 | code4rena | 2022-12-backed-findings | #264 | Medium | There is no way to extract fees when someones wants to reduce a debt by paying with underlying tokens | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L226
# Vulnerability details
## Impact
When a user is buying the debt of an account (or its own debt), it either have the choice to use the `reduceDebt()` function in order to pay with PAPR toke... | https://github.com/code-423n4/2022-12-backed-findings/issues/264 | defi | 2026-05-08T04:37:49Z |
code4rena:2022-12-backed-findings:263 | code4rena | 2022-12-backed-findings | #263 | Medium | Faulty fee handling in `buyAndReduceDebt` | # Lines of code
https://github.com/with-backed/papr/blob/9528f2711ff0c1522076b9f93fba13f88d5bd5e6/src/PaprController.sol#L226
# Vulnerability details
## Impact
When passing fee params to `buyAndReduceDebt` with `swapFeeTo` and `swapFeeBips`, the PaprController will try to send the underlying token on the following ... | https://github.com/code-423n4/2022-12-backed-findings/issues/263 | defi | 2026-05-08T04:37:49Z |
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