CVE-2026-53873

Critical

Description

picklescan before 1.0.4 contains an incomplete blocklist for the profile module that fails to block the module-level profile.run() function, allowing attackers to achieve arbitrary code execution via exec(). Attackers can craft malicious pickle files calling profile.run(statement) to execute arbitrary Python code while picklescan reports zero security issues.

SeverityCritical

CVSS9.8

Exploit probability—

ProductPicklescan

PublishedJun 17, 2026

First seenJun 17, 2026

Weakness typeCWE-184CWE-184

How to fix

Update

picklescan1.0.4 or later

Vendor advisories

github.com/mmaitre314/picklescan/security/advisories/GHSA-7wx9-6375-f5wh

Affected products

Product	Affected versions	Fixed in
picklescanPyPI	v < 1.0.4	1.0.4

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