CVE-2025-71352

High

Description

picklescan before 0.0.29 fails to detect the built-in Python trace.Trace.runctx function when used in pickle file reduce methods, allowing attackers to execute arbitrary code. Remote attackers can craft malicious pickle files with trace.Trace.runctx payloads that bypass picklescan detection and execute code upon pickle.load() invocation.

SeverityHigh

CVSS8.1

Exploit probability—

ProductPicklescan

PublishedJun 30, 2026

First seenJun 30, 2026

Weakness typeCWE-693CWE-693

How to fix

Update

picklescan0.0.29 or later

Vendor advisories

github.com/mmaitre314/picklescan/security/advisories/GHSA-g344-hcph-8vgg

Affected products

Product	Affected versions	Fixed in
picklescanPyPI	v < 0.0.29	0.0.29

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