CVE-2025-71354: picklescan - Remote Code Execution via idlelib.debugobj.ObjectTreeItem.SetText

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-24 · updated 2026-10-12
Weakness: CWE-502

Description

picklescan before 0.0.29 fails to detect malicious pickle files that exploit idlelib.debugobj.ObjectTreeItem.SetText function in reduce methods. Attackers can craft pickle files with embedded code that bypasses picklescan detection and executes arbitrary commands when pickle.load() is called.

Affected products

picklescan: before 0.0.29 — fixed in 0.0.29

How to fix

Upgrade to a fixed version: picklescan 0.0.29. Check the vendor advisory for mitigations.

References

https://github.com/mmaitre314/picklescan/security/advisories/GHSA-3vg9-h568-4w9m
https://www.vulncheck.com/advisories/picklescan-remote-code-execution-via-idlelib-debugobj-objecttreeitem-settext
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-3vg9-h568-4w9m

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