Ghostwire

CVE-2025-71356: picklescan before 0.0.28 fails to detect malicious...

HIGH CVSS 8.1 Exploit Available

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

Description

picklescan before 0.0.28 fails to detect malicious torch.fx.experimental.symbolic_shapes.ShapeEnv.evaluate_guards_expression function calls in pickle files. Attackers can embed undetected code in pickle files that executes remote code when loaded by victims.

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-f4x7-rfwp-v3xw
www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-torch-fx-ex
www.tenable.com/cve/CVE-2025-71356
www.cnnvd.org.cn/home/globalSearch?keyword=CVE-2025-71356