CVE-2025-71357

HIGH 8.1

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

CVSS Score

8.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-502
Vendor	picklescan
Product	picklescan
Published	Jun 21, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

picklescan / picklescan

0 < 0.0.30

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/mmaitre314/picklescan/security/advisories/GHSA-j343-8v2j-ff7w vulncheck.com: https://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-undetected-idlelib-pyshell-modifiedinterpreter-runcommand

Credits

🔍 FredericDT