CVE-2025-71359
HIGH
NVD
CVSS Score
8.1
Severity
HIGH
Published
Jul 04, 2026
Vendor
unknown
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.