CVE-2025-71355

unknowncovered by 1 sourcefirst seen 2026-06-30

Picklescan before 0.0.25 fails to detect unsafe global functions in the Numpy library, allowing attackers to bypass static analysis and execute arbitrary code during deserialization. Attackers can craft malicious pickle files using numpy.testing._private.utils.runstring within the reduce method to import dangerous libraries like os and execute arbitrary OS commands when the pickle file is loaded.

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Exploitation outlook

Low exploitation risk0.55% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 42% of all EPSS-scored CVEs.

Advisory coverage (1)

unknownCVE-2025-71355: Picklescan before 0.0.25 fails to detect unsafe global functions in the Numpy library, allowin…nvd · 2026-06-30

External references

NVD record for CVE-2025-71355

CVE.org record

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