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Vulnerability record · CVE-2025-71368 · published 30 June 2026

CVE-2025-71368: Deserialization of untrusted data vulnerability

picklescan before 0.0.30 fails to detect the doctest.debug_script function when analyzing pickle files, allowing attackers to execute arbitrary code. Remote attackers can craft malicious pickle files embedding doctest.debug_script calls that bypass picklescan detection and execute arbitrary commands upon pickle.load invocation.

7.6 CVSS 4.0 High EPSS 0.84% · top 43.9% CWE-502 · Deserialization of untrusted data Deferred
7.6CVSS 4.0 base score
0.84%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
1 Jul 2026Last modified by NVD

Description

picklescan before 0.0.30 fails to detect the doctest.debug_script function when analyzing pickle files, allowing attackers to execute arbitrary code. Remote attackers can craft malicious pickle files embedding doctest.debug_script calls that bypass picklescan detection and execute arbitrary commands upon pickle.load invocation.

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-fqq6-7vqf-w3fg
https://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-undetected-doctest-debug-script
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-fqq6-7vqf-w3fg

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Source: NIST National Vulnerability Database (record CVE-2025-71368), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.