CVE-2025-71375

High

Description

picklescan before 0.0.34 fails to detect the _operator.methodcaller built-in function when scanning pickle files for malicious code. Attackers can craft malicious pickle payloads using _operator.methodcaller that evade detection and execute arbitrary code when loaded by pickle.load().

SeverityHigh

CVSS8.1

Exploit probability—

ProductPicklescan

PublishedJul 4, 2026

First seenJul 4, 2026

Weakness typeCWE-502Deserialization of untrusted data

How to fix

Update

picklescan0.0.34 or later

Vendor advisories

github.com/mmaitre314/picklescan/security/advisories/GHSA-955r-x9j8-7rhh

Affected products

Product	Affected versions	Fixed in
picklescanPyPI	v < 0.0.34	0.0.34

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