CVE-2025-71347

picklescan - Undetected Remote Code Execution via numpy.f2py.crackfortran.param_eval

State: Published
Severity: 7.6 High
Published: Jul 4, 2026
Updated: Jul 6, 2026
Reserved: Jun 20, 2026

Description

picklescan before 0.0.33 fails to detect malicious pickle files using numpy.f2py.crackfortran.param_eval function in reduce methods, allowing attackers to bypass security checks. Remote attackers can embed undetected code in pickle files that executes during deserialization, enabling arbitrary code execution in applications loading untrusted pickle data.

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-cffc-mxrf-mhh4)vendor-advisory
VulnCheck Advisory: picklescan - Undetected Remote Code Execution via numpy.f2py.crackfortran.param_evalthird-party-advisory

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.