CVE-2025-71339

HIGH EPSS 21.8%

Published Jun 22, 20261w ago · Modified Jun 23, 20261w ago

7.6 CVSS 4.0

High

Published Jun 22, 2026 1w ago

Last Modified Jun 23, 2026 1w ago

Description

Picklescan before 0.0.33 fails to detect the numpy.f2py.crackfortran._eval_length gadget in pickle __reduce__ methods, allowing arbitrary code execution. Attackers can craft malicious pickle files that execute arbitrary Python code when loaded by victims who trust Picklescan's safety validation.

CVSS Details

Base Score

7.6

Exploitability

—

Impact

—

Vector string

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:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction P

Scope X

Threat Intelligence

EPSS Exploit Probability

21.8% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-502 Deserialization of Untrusted Data Validation

References 2

github.com https://github.com/mmaitre314/picklescan/security/advisories/GHSA-6556-fwc2-fg2p
vulncheck.com https://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-numpy-f2py-crackfortran-eval-length-gadget

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.