GHSA-6556-fwc2-fg2p: Picklescan is vulnerable to RCE through missing detection when calling numpy.f2py.crackfortran._eval_length
(updated )
Picklescan uses the numpy.f2py.crackfortran._eval_length function (a NumPy F2PY helper) to execute arbitrary Python code during unpickling.
References
- github.com/advisories/GHSA-6556-fwc2-fg2p
- github.com/mmaitre314/picklescan
- github.com/mmaitre314/picklescan/commit/70c1c6c31beb6baaf52c8db1b6c3c0e84a6f9dab
- github.com/mmaitre314/picklescan/pull/53
- github.com/mmaitre314/picklescan/releases/tag/v0.0.33
- github.com/mmaitre314/picklescan/security/advisories/GHSA-6556-fwc2-fg2p
- github.com/pypa/advisory-database/tree/main/vulns/picklescan/PYSEC-2026-1783.yaml
- nvd.nist.gov/vuln/detail/CVE-2025-71339
- pypi.org/project/picklescan
- www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-numpy-f2py-crackfortran-eval-length-gadget
Code Behaviors & Features
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