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CVE-2025-71343GHSA-P9W7-82W4-7Q8M

picklescan - Arbitrary Code Execution via lib2to3.pgen2.pgen.ParserGenerator.make_label Detection Bypass

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 0.0.30
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: total

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • picklescan picklescan

    fixed in 0.0.30

  • picklescanPyPI

    fixed in 0.0.30

References 2

GitHub · mmaitre314/picklescan

vulncheck.com