CVE-2025-71365

picklescan - Arbitrary Code Execution via numpy.f2py.crackfortran.myeval Detection Bypass

State: Published
Severity: 7.6 High
Published: Jun 23, 2026
Updated: Jun 23, 2026
Reserved: Jun 20, 2026

Description

picklescan before 0.0.33 fails to detect malicious pickle files that invoke numpy.f2py.crackfortran.myeval function through the reduce method. Attackers can craft malicious pickle files embedding arbitrary code that evades picklescan detection and executes remote code when loaded.

Scores

CVSS	Score	Vector	Source
4.0	7.6 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	VulnCheck
3.1	8.1 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N	VulnCheck

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
picklescanpicklescan	before 0.0.33Affected 0.0.33Not affected

References

GitHub Security Advisory (GHSA-3329-ghmp-jmv5)vendor-advisory
VulnCheck Advisory: picklescan - Arbitrary Code Execution via numpy.f2py.crackfortran.myeval Detection Bypassthird-party-advisory

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