PT-2026-55669 · Picklescan · Picklescan

Coolwindhf · Published 2026-07-04 · Updated 2026-07-04 · CVE-2025-71347

Mitre

CVSS v3.1

8.1

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

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.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2025-71347

Affected Products

Picklescan

References · 3

• https://github.com/mmaitre314/picklescan/security/advisories/GHSA-cffc-mxrf-mhh4 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-71347 · Security Note
• https://vulncheck.com/advisories/picklescan-undetected-remote-code-execution-via-numpy-f2py-crackfortran-param-eval · Note