CVE-2025-71339

Picklescan - Arbitrary Code Execution via numpy.f2py.crackfortran._eval_length Gadget

Published Jun 22, 2026 CVSS 4.0 · 7.6 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-6556-fwc2-fg2p Picklescan is vulnerable to RCE through missing detection when calling numpy.f2py.crackfortran._eval_length
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Picklescan - Arbitrary Code Execution via numpy.f2py.crackfortran._eval_length Gadget
First Time appeared Mmaitre314
Mmaitre314 picklescan
Weaknesses CWE-502
CPEs cpe:2.3:a:mmaitre314:picklescan:*:*:*:*:*:*:*:*
Vendors & Products Mmaitre314
Mmaitre314 picklescan
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 7.6, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jun 23, 2026, 3:06 PM
Reserved
Jun 20, 2026, 1:48 AM
Status
Deferred
Published
Jun 22, 2026, 10:16 PM
Modified
Oct 12, 2026, 10:10 PM