TI-2025-43461 Aliases CVE-2025-71340 GHSA-mq7r-vm99-p7vx

picklescan - Remote Code Execution via idlelib.pyshell.ModifiedInterpreter.runcode

HIGH 68CWE-502Published 2026-06-25 · Updated 2026-06-26

Key facts

Attack vector: Network
Privileges required: None
User interaction: Passive
Attack complexity: Low
Attack requirements: Present
Impact type: Code execution
Confidentiality · integrity · availability: High · High · None
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

picklescan through 0.0.26 fails to detect malicious pickle files that invoke idlelib.pyshell.ModifiedInterpreter.runcode in __reduce__ methods. Attackers can embed undetected code in pickle files that executes arbitrary commands when the file is loaded via pickle.load(), enabling supply chain attacks on PyTorch models and saved Python objects. This is fixed in version 0.0.30.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.0038 32nd percentileScored 2026-11-07

Fix Fixed picklescan (picklescan): 0.0.30

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
picklescan	picklescan	up to 0.0.26	0.0.30	Patch available	CNA

picklescan Vendorpicklescan Affected up to 0.0.26 Fixed in 0.0.30 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:mmaitre314:picklescan::::::::	—	—	picklescan

cpe:2.3:a:mmaitre314:picklescan:*:*:*:*:*:*:*:* Versions — — ·picklescan

Remediation

Fix · CNA picklescan (picklescan) Fixed in 0.0.30

Timeline

2026-10-02 Threatist record created from CVE-2025-71340
2026-10-03 Alias added: GHSA-mq7r-vm99-p7vx

References

Advisory 1

GitHub Security Advisory (GHSA-3gf5-cxq9-w223)

TI-2026-03009 picklescan - Universal Blocklist Bypass via pkgutil.resolve_name CVSS 4.0CRITICAL 10.0
TI-2026-40680 picklescan - Remote Code Execution via Unblocked Standard Library Modules CVSS 4.0CRITICAL 9.3
TI-2026-38870 picklescan - Arbitrary Code Execution via Obfuscated eval Call CVSS 4.0CRITICAL 9.3
TI-2026-38869 picklescan - Arbitrary Code Execution via profile.run() Blocklist Bypass CVSS 4.0CRITICAL 9.3
TI-2025-43446 picklescan - Detection Bypass via STACK_GLOBAL Opcode Parsing Logic Flaw CVSS 4.0CRITICAL 9.3
TI-2025-43444 picklescan - Remote Code Execution via Unblocked ctypes Module CVSS 4.0CRITICAL 9.3

See all 57 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences