CVE-2026-53873: Picklescan

Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days.

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

• Picklescan Picklescan: before 1.0.4 (fixed in 1.0.4)

Published 2026-06-17. Last modified 2026-06-17.