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Critical · 9.8 CVE-2026-53873 EUVD-2026-37739GHSA-4mpj-78p6-rj59GHSA-7wx9-6375-f5whPYSEC-2026-455

picklescan - Arbitrary Code Execution via profile.run() Blocklist Bypass

Published Jun 17, 2026 · Updated Nov 8, 2026 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
picklescan picklescan < 1.0.4 1.0.4

Affected packages

EcosystemPackageAffectedFixedRecord
PyPI picklescan < 1.0.4 1.0.4 GHSA-7wx9-6375-f5wh

References