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Vulnerability record · CVE-2025-71322 · published 17 June 2026

CVE-2025-71322: PickleScan before 0.0.33 fails to include the pty.spawn function in its unsafe globals list, allowing attacker…

PickleScan before 0.0.33 fails to include the pty.spawn function in its unsafe globals list, allowing attackers to bypass security checks. Malicious actors can craft pickle payloads using pty.spawn to achieve arbitrary code execution when files are processed by PickleScan.

8.7 CVSS 4.0 High EPSS 0.38% · top 70.2% CWE-693 · CWE-693 Deferred
8.7CVSS 4.0 base score
0.38%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
18 Jun 2026Last modified by NVD

Description

PickleScan before 0.0.33 fails to include the pty.spawn function in its unsafe globals list, allowing attackers to bypass security checks. Malicious actors can craft pickle payloads using pty.spawn to achieve arbitrary code execution when files are processed by PickleScan.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/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-hgrh-qx5j-jfwx
https://www.vulncheck.com/advisories/picklescan-unsafe-globals-check-bypass-via-pty-spawn-function
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-hgrh-qx5j-jfwx

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Source: NIST National Vulnerability Database (record CVE-2025-71322), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.