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tatsu-lab/alpaca
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{}
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databricks/databricks-dolly-15k
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fka/awesome-chatgpt-prompts
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Open-Orca/OpenOrca
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0.0033
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11
{"hidden-unicode": 11}

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Dataset Injection Scan — open study of popular HF datasets

from datasets import load_dataset
ds = load_dataset("fevziegeyurtsevenler/dataset-injection-scan-study")

Results of scanning 17,000 rows across 6 popular public instruction/prompt datasets for smuggled prompt-injection with hf-dataset-scan (invisible Unicode, injection phrasing EN+TR, exfil URLs).

Headline: no smuggled injection found

Dataset Rows Flagged High Med Low
tatsu-lab/alpaca 3,000 0 0 0 0
yahma/alpaca-cleaned 3,000 0 0 0 0
databricks/databricks-dolly-15k 3,000 4 0 0 4
fka/awesome-chatgpt-prompts 2,000 9 0 0 9
HuggingFaceH4/no_robots 3,000 3 0 0 3
Open-Orca/OpenOrca 3,000 10 0 0 10
Total 17,000 26 0 0 26

0 decoded Tags-block instructions · 0 bidi overrides · 0 genuine exfil URLs. All 26 low flags were benign on inspection (a prompts dataset naturally contains prompt-like phrasing; the rest were zero-width/BOM formatting). The invisible-injection threat to training data is real in theory but essentially absent in these corpora today — an honest, reproducible counter-hype baseline.

Full method + interpretation: FINDINGS.md. Reproduce or scan your own data with the tool: 👉 github.com/fevziegeyurtsevenler/hf-dataset-scan

Related

🕵️ uncloak · 🌿 skills-in-the-wild · 🏁 guardrail-arena · 🌐 AltaySec

Citation

@misc{yurtsevenler2026hfdatasetscan,
  title={hf-dataset-scan: Scanning Datasets for Smuggled Prompt-Injection},
  author={Yurtsevenler, Fevzi Ege}, year={2026}, publisher={AltaySec},
  howpublished={\url{https://github.com/fevziegeyurtsevenler/hf-dataset-scan}}
}

Apache-2.0 · by AltaySec.

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