What is CVE-2025-71366?

CVE-2025-71366 is a high-severity vulnerability in Picklescan, classified under Deserialization of Untrusted Data. CVSS score: 8.1/10. Published 2026-07-04.

How severe is CVE-2025-71366?

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

Deserialization in Picklescan

CVE-2025-71366

picklescan before 0.0.28 fails to detect malicious torch.utils.bottleneck.__main__.run_cprofile function calls in pickle files, allowing attackers to bypass safety checks. Remote attackers can embed undetected code in pickle files to achieve arbitrary code execution when victims load the files.

Vulnerability class: Insecure Deserialization

EPSS: 0.004 (37.0th percentile) — read the EPSS interpretation.

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, 0.0.28

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-2025-71366?: CVE-2025-71366 is a high-severity vulnerability in Picklescan, classified under Deserialization of Untrusted Data. CVSS score: 8.1/10. Published 2026-07-04.
How severe is CVE-2025-71366?: High severity. CVSS v3 base score is 8.1 out of 10.