CVE-2025-71365

High

Description

picklescan before 0.0.33 fails to detect malicious pickle files that invoke numpy.f2py.crackfortran.myeval function through the reduce method. Attackers can craft malicious pickle files embedding arbitrary code that evades picklescan detection and executes remote code when loaded.

SeverityHigh

CVSS8.1

Exploit probability—

ProductPicklescan

PublishedJun 23, 2026

First seenJun 23, 2026

Weakness typeCWE-502Deserialization of untrusted data

How to fix

Update

picklescan0.0.33 or later

Vendor advisories

github.com/mmaitre314/picklescan/security/advisories/GHSA-3329-ghmp-jmv5

Affected products

Product	Affected versions	Fixed in
picklescanPyPI	v < 0.0.33	0.0.33

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