CVE-2025-71350: picklescan - Undetected Remote Code Execution via torch.utils.collect_env.run

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: 2026-06-30 · updated 2026-10-12
Weakness: CWE-502

Description

picklescan before 0.0.28 fails to detect malicious pickle files using torch.utils.collect_env.run function in reduce methods. Attackers can embed undetected code in pickle files that executes remote commands when loaded by victims.

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-f745-w6jp-hpxx
https://www.vulncheck.com/advisories/picklescan-undetected-remote-code-execution-via-torch-utils-collect-env-run
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-f745-w6jp-hpxx

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