CVE-2025-71320

critical · 9.3

picklescan before 0.0.33 contains an incomplete deny-list that fails to block pydoc.locate and operator.methodcaller functions, allowing attackers to bypass security checks. Remote attackers can craft malicious pickle files using these unblocked functions to achieve arbitrary code execution when the pickle is deserialized.

9.3

CVSS

0.6%

EPSS (exploit prob.)

48th

EPSS percentile

2026-06-17

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/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:X/V:X/RE:X/U:X

Weaknesses

CWE-184

References

https://github.com/mmaitre314/picklescan/security/advisories/GHSA-84r2-jw7c-4r5q
https://www.vulncheck.com/advisories/picklescan-remote-code-execution-via-incomplete-disallowed-inputs
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-84r2-jw7c-4r5q

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-71320