High severity8.1NVD Advisory· Published Jul 4, 2026· Updated Jul 6, 2026

CVE-2025-71347

Description

picklescan before 0.0.33 fails to detect malicious pickle files using numpy.f2py.crackfortran.param_eval function in reduce methods, allowing attackers to bypass security checks. Remote attackers can embed undetected code in pickle files that executes during deserialization, enabling arbitrary code execution in applications loading untrusted pickle data.

Affected products

mmaitre314/picklescanllm-fuzzy
Range: <0.0.33

Patches

Vulnerability mechanics

References

github.com/mmaitre314/picklescan/security/advisories/GHSA-cffc-mxrf-mhh4nvd
www.vulncheck.com/advisories/picklescan-undetected-remote-code-execution-via-numpy-f2py-crackfortran-param-evalnvd

News mentions

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cvss	0.526
epss	0.001
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000