Ghostwire

CVE-2025-71373: picklescan before 0.0.33 fails to detect operator.methodcaller function calls in pickle files, allowing attackers to...

HIGH CVSS 8.1 Exploit Available

Published: July 4, 2026 | Last Modified: July 4, 2026

Description

picklescan before 0.0.33 fails to detect operator.methodcaller function calls in pickle files, allowing attackers to bypass security checks. Remote attackers can craft malicious pickle payloads using operator.methodcaller that execute arbitrary code when loaded, compromising systems relying on picklescan for validation.

Ghostwire Analysis — What This Means Practically

High CVSS score indicates significant risk — exploitation could lead to substantial data exposure or system compromise.
Exploit code is reported to be available, increasing the likelihood of active exploitation.

This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.

References

github.com/mmaitre314/picklescan/security/advisories/GHSA-x843-g5mx-g377
www.vulncheck.com/advisories/picklescan-remote-code-execution-via-operator-metho
www.tenable.com/cve/CVE-2025-71373
www.cnnvd.org.cn/home/globalSearch?keyword=CVE-2025-71373