CVE-2026-53875

High

Description

picklescan before 1.0.3 contains a scanning bypass vulnerability in the scan_pytorch function that allows attackers to embed malicious magic numbers via dynamic eval using the __reduce__ trick. Attackers can craft malicious PyTorch payloads that evade picklescan detection while remaining executable, enabling arbitrary code execution when loaded with torch.load().

SeverityHigh

CVSS7.1

Exploit probability—

ProductPicklescan

PublishedJun 17, 2026

First seenJun 17, 2026

Weakness typeCWE-95CWE-95

How to fix

Update

picklescan1.0.3 or later

Patches

Vendor advisories

github.com/mmaitre314/picklescan/security/advisories/GHSA-97f8-7cmv-76j2

Affected products

Product	Affected versions	Fixed in
picklescanPyPI	v < 1.0.3	1.0.3

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