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Vulnerability record · CVE-2025-71353 · published 4 July 2026

CVE-2025-71353: Deserialization of untrusted data vulnerability

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.

7.6 CVSS 4.0 High EPSS 0.43% · top 65.1% CWE-502 · Deserialization of untrusted data Deferred
7.6CVSS 4.0 base score
0.43%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
6 Jul 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
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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Source: NIST National Vulnerability Database (record CVE-2025-71353), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.