CVE-2025-71323: Picklescan

Critical severity, CVSS 9.8. EPSS: 1% chance of exploitation in the next 30 days.

picklescan before 0.0.33 fails to block the ctypes module, allowing attackers to achieve remote code execution by invoking direct syscalls and accessing raw memory. Attackers can craft malicious pickle files using ctypes.WinDLL to load kernel32.dll and execute arbitrary commands, bypassing sandbox protections and gadget chain detection.

Affected products

• Picklescan Picklescan: before 0.0.33 (fixed in 0.0.33)

Published 2026-06-17. Last modified 2026-10-05.