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Vulnerability record · CVE-2025-71366 · published 4 July 2026

CVE-2025-71366: Deserialization of untrusted data vulnerability

picklescan before 0.0.28 fails to detect malicious torch.utils.bottleneck.__main__.run_cprofile function calls in pickle files, allowing attackers to bypass safety checks. Remote attackers can embed undetected code in pickle files to achieve arbitrary code execution when victims load the files.

7.6 CVSS 4.0 High EPSS 0.64% · top 51.5% CWE-502 · Deserialization of untrusted data Deferred
7.6CVSS 4.0 base score
0.64%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 torch.utils.bottleneck.__main__.run_cprofile function calls in pickle files, allowing attackers to bypass safety checks. Remote attackers can embed undetected code in pickle files to achieve arbitrary code execution when victims load the files.

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-4r9r-ch6f-vxmx
https://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-torch-utils-bottleneck-main-run-cprofile
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-4r9r-ch6f-vxmx

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Source: NIST National Vulnerability Database (record CVE-2025-71366), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.