What is CVE-2025-71371?

CVE-2025-71371 is a high-severity vulnerability in Picklescan, classified under Deserialization of Untrusted Data. CVSS score: 8.1/10. Published 2026-06-30.

How severe is CVE-2025-71371?

High severity. CVSS v3 base score is 8.1 out of 10.

Deserialization in Picklescan

CVE-2025-71371

picklescan before 0.0.29 fails to detect malicious pickle files using code.InteractiveInterpreter.runcode in reduce methods. Attackers can craft pickle payloads that bypass picklescan detection and execute arbitrary code when loaded via pi…

Vulnerability class: Insecure Deserialization

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

Affected products

Picklescan — versions 0, 0.0.29

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2025-71371?: CVE-2025-71371 is a high-severity vulnerability in Picklescan, classified under Deserialization of Untrusted Data. CVSS score: 8.1/10. Published 2026-06-30.
How severe is CVE-2025-71371?: High severity. CVSS v3 base score is 8.1 out of 10.