CVE-2025-71357

picklescan - Arbitrary Code Execution via Undetected idlelib.pyshell.ModifiedInterpreter.runcommand

State: Published
Severity: 7.6 High
Published: Jun 21, 2026
Updated: Jun 22, 2026
Reserved: Jun 20, 2026

Description

picklescan before 0.0.30 fails to detect malicious pickle files using idlelib.pyshell.ModifiedInterpreter.runcommand in reduce methods. Attackers can embed undetected code in pickle files that executes remote commands when loaded by victims.

Scores

CVSS	Score	Vector	Source
4.0	7.6 High	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N	VulnCheck
3.1	8.1 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N	VulnCheck

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
picklescanpicklescan	before 0.0.30Affected 0.0.30Not affected

References

GHSA Advisory GHSA-j343-8v2j-ff7wvendor-advisory
VulnCheck Advisory: picklescan - Arbitrary Code Execution via Undetected idlelib.pyshell.ModifiedInterpreter.runcommandthird-party-advisory

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.