Picklescan – Arbitrary Code Execution via numpy.f2py.crackfortran._eval_length Gadget_CVE-2025-71339

7.6 / 10

HIGH

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Description

Picklescan before 0.0.33 fails to detect the numpy.f2py.crackfortran._eval_length gadget in pickle __reduce__ methods, allowing arbitrary code execution. Attackers can craft malicious pickle files that execute arbitrary Python code when loaded by victims who trust Picklescan's safety validation.

Basic Information

ID CVE-2025-71339

Source VulnCheck

Published Jun 22, 2026 at 21:04

Affected Product

Vendor Picklescan

Product Picklescan

Affected Versions Picklescan Picklescan 0

CWE Classification

CWE-502

References

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    "lastseen": "",
    "description": "Picklescan before 0.0.33 fails to detect the numpy.f2py.crackfortran._eval_length gadget in pickle __reduce__ methods, allowing arbitrary code execution. Attackers can craft malicious pickle files that execute arbitrary Python code when loaded by victims who trust Picklescan's safety validation.",
    "published": "2026-06-22T21:04:41.267Z",
    "modified": "2026-06-22T21:04:41.267Z",
    "type": "cve",
    "title": "Picklescan - Arbitrary Code Execution via numpy.f2py.crackfortran._eval_length Gadget",
    "source": "VulnCheck",
    "references": "https://github.com/mmaitre314/picklescan/security/advisories/GHSA-6556-fwc2-fg2p\nhttps://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-numpy-f2py-crackfortran-eval-length-gadget",
    "id": "CVE-2025-71339",
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    "sourceData": "Picklescan Picklescan 0",
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    "cvss": {
        "score": 7.6,
        "severity": "HIGH",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
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