Vulnerability · Published Jul 4, 2026 · Assigned by VulnCheck

CVE-2025-71372Picklescan - Arbitrary Code Execution via numpy.f2py.crackfortran.getlincoef Gadget

High 8.1

In plain English

A high-severity unsafe deserialization in Picklescan from Picklescan. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)0.5%top 58.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

Picklescan before 0.0.33 fails to detect the numpy.f2py.crackfortran.getlincoef gadget in pickle __reduce__ methods, allowing arbitrary code execution. Attackers can craft malicious pickle files that execute arbitrary Python code when loaded, bypassing Picklescan's safety checks and enabling supply-chain poisoning of shared model files.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
PyPI	picklescan	0.0.33	GHSA-rrxm-2pvv-m66x

Affected products (as reported)

Vendor	Product	Versions
Picklescan	Picklescan	0 – before 0.0.33

Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

References

GitHub Security Advisory (GHSA-rrxm-2pvv-m66x) vendor-advisory
VulnCheck Advisory: Picklescan - Arbitrary Code Execution via numpy.f2py.crackfortran.getlincoef Gadget third-party-advisory