CVE-2025-71349

highCVSS 8.1covered by 1 sourcefirst seen 2026-06-30

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.

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Exploitation outlook

Low exploitation risk0.56% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 43% of all EPSS-scored CVEs.

Advisory coverage (1)

highCVE-2025-71349: picklescan before 0.0.29 fails to detect the built-in trace.Trace.run function when analyzing …nvd · 2026-06-30

External references

NVD record for CVE-2025-71349

CVE.org record

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