CVE-2026-3490

CriticalCVSS 10.0/10Last modified Jun 18, 2026

Description

picklescan before 1.0.4 fails to block pkgutil.resolve_name, allowing attackers to bypass the entire blocklist by resolving any dangerous function through indirect REDUCE calls. Remote attackers can invoke any blocked function such as os.system, builtins.exec, or subprocess.call to achieve remote code execution.

Metrics

CVSS 3.1 10.0/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-183

Affected software

No affected versions have been published.

Timeline

Published: Jun 17, 2026
Last modified: Jun 18, 2026
NVD status: Deferred

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