Security Advisory
CVE-2025-71359
8.1
HIGH
Vulnerability Description
picklescan before 0.0.29 fails to detect malicious pickle payloads that utilize lib2to3.pgen2.grammar.Grammar.loads in the reduce method, allowing remote code execution. Attackers can craft pickle files embedding dangerous code that evades picklescan detection and executes during pickle.load() deserialization.
Published Date
July 4, 2026
Official Source
NIST NVD Advisory