CVE-2025-71376: Picklescan

High severity, CVSS 8.1. EPSS: 0.4% chance of exploitation in the next 30 days.

picklescan before 0.0.29 fails to detect malicious pickle files using idlelib.autocomplete.AutoComplete.fetch_completions in reduce methods. Attackers can embed undetected code in pickle files that executes arbitrary commands when loaded by victims.

Affected products

• Picklescan Picklescan: before 0.0.29 (fixed in 0.0.29)

Published 2026-06-23. Last modified 2026-10-05.