CVE-2025-71353: picklescan - Remote Code Execution via torch._dynamo.guards.GuardBuilder.get

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: 2026-07-04 · updated 2026-10-12
Weakness: CWE-502

Description

picklescan before 0.0.28 fails to detect malicious pickle files that exploit torch._dynamo.guards.GuardBuilder.get function in reduce methods. Attackers can craft pickle files with embedded code that evades picklescan detection and executes arbitrary commands when loaded.

Affected products

picklescan: before 0.0.28 — fixed in 0.0.28

How to fix

Upgrade to a fixed version: picklescan 0.0.28. Check the vendor advisory for mitigations.

References

https://github.com/mmaitre314/picklescan/security/advisories/GHSA-86cj-95qr-2p4f
https://www.vulncheck.com/advisories/picklescan-remote-code-execution-via-torch-dynamo-guards-guardbuilder-get
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-86cj-95qr-2p4f

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