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Joblib ModelScan recursive load bypass PoC

Security proof-of-concept for a Huntr Model File Vulnerabilities report.

This repository contains a minimal .joblib artifact demonstrating that current ModelScan can report a malicious Joblib model file as clean while normal joblib.load() executes a harmless local marker payload.

Do not load the candidate outside a sandbox.

Files

candidate_nested_joblib_load_bytes.joblib: scanner-bypass candidate.
safe.joblib: benign control.
REPRODUCTION.md: sanitized reproduction steps.

Expected behavior

ModelScan reports zero issues for candidate_nested_joblib_load_bytes.joblib. Normal joblib.load() creates /tmp/huntr_joblib_nested_load_marker with HUNTR_JOBLIB_NESTED_LOAD.

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