CVE-2025-71351

High

Description

picklescan before 0.0.25 fails to detect malicious pickle files that use timeit.timeit() in the __reduce__ method, allowing remote code execution. Attackers can craft pickle files that import dangerous libraries like os and execute arbitrary system commands, which evade picklescan detection and execute when pickle.load() is called.

SeverityHigh

CVSS7.6

Exploit probability—

ProductPicklescan

PublishedJun 21, 2026

First seenJun 21, 2026

Weakness typeCWE-184CWE-184

How to fix

Update

picklescan0.0.25 or later

Vendor advisories

github.com/mmaitre314/picklescan/security/advisories/GHSA-v7x6-rv5q-mhwc

Affected products

Product	Affected versions	Fixed in
picklescanPyPI	v < 0.0.25	0.0.25

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