High severity8.1NVD Advisory· Published Jun 30, 2026· Updated Jul 1, 2026

CVE-2025-71349

Description

picklescan before 0.0.29 fails to detect the built-in trace.Trace.run function when analyzing pickle files, allowing attackers to embed undetected malicious code. Remote attackers can craft malicious pickle files using trace.Trace.run in the reduce method to achieve arbitrary code execution when pickle.load processes the file.

Affected products

mmaitre314/picklescanllm-fuzzy
Range: <0.0.29

Patches

Vulnerability mechanics

References

github.com/mmaitre314/picklescan/security/advisories/GHSA-5qwp-399c-mjwfnvd
www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-undetected-trace-trace-run-in-pickle-filesnvd

News mentions

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