CVE-2025-71376

High

Description

picklescan before 0.0.29 fails to detect malicious pickle files using idlelib.autocomplete.AutoComplete.fetch_completions in reduce methods. Attackers can embed undetected code in pickle files that executes arbitrary commands when loaded by victims.

SeverityHigh

CVSS8.1

Exploit probability—

ProductPicklescan

PublishedJun 23, 2026

First seenJun 23, 2026

Weakness typeCWE-502Deserialization of untrusted data

How to fix

Update

picklescan0.0.29 or later

Vendor advisories

github.com/mmaitre314/picklescan/security/advisories/GHSA-7cq8-mj8x-j263

Affected products

Product	Affected versions	Fixed in
picklescanPyPI	v < 0.0.29	0.0.29

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