VULNERABILITY INTELLIGENCE

CVE-2025-71343

CVSS score8.1 HIGH
EPSS probability0.38%
CISA KEVNot currently listed
Published2026-07-04
Last modified2026-10-12
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Description

picklescan before 0.0.30 fails to detect malicious pickle files that exploit lib2to3.pgen2.pgen.ParserGenerator.make_label function in the reduce method. Attackers can craft malicious pickle files with embedded code that evades detection but executes arbitrary commands when pickle.load() is called.

Weakness classification

  • disclosure@vulncheck.com: CWE-502

Primary references