CVE-2025-71364

High

Description

picklescan before 0.0.30 fails to detect the asyncio.unix_events._UnixSubprocessTransport._start function in pickle reduce methods, allowing remote code execution. Attackers can craft malicious pickle files embedding this built-in function that evade detection but execute arbitrary commands when loaded.

SeverityHigh

CVSS8.1

Exploit probability—

ProductPicklescan

PublishedJul 4, 2026

First seenJul 4, 2026

Weakness typeCWE-502Deserialization of untrusted data

How to fix

Update

picklescan0.0.30 or later

Vendor advisories

github.com/mmaitre314/picklescan/security/advisories/GHSA-q77w-mwjj-7mqx

Affected products

Product	Affected versions	Fixed in
picklescanPyPI	v < 0.0.30	0.0.30

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