CVE-2025-71339

HIGH

Picklescan - Arbitrary Code Execution via numpy.f2py.crackfortran._eval_length Gadget

Title source: cna
STIX 2.1

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.

References (2)

Core 2
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-6556-fwc2-fg2p)
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-6556-fwc2-fg2p
Third Party Advisory third-party-advisory
VulnCheck Advisory: Picklescan - Arbitrary Code Execution via numpy.f2py.crackfortran._eval_length Gadget
https://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-numpy-f2py-crackfortran-eval-length-gadget

Scores

CVSS v3 8.1
EPSS 0.0030
EPSS Percentile 22.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-502
Status published
Products (3)
Picklescan/Picklescan < 0.0.33
Picklescan/Picklescan 0.0.33
pypi/picklescan 0 - 0.0.33PyPI
Published Jun 22, 2026
Tracked Since Jun 23, 2026