PT-2026-54005 · Picklescan · Picklescan

Fredericdt · Published 2026-06-30 · Updated 2026-06-30 · CVE-2025-71349

NVD

CVSS v3.1

8.1

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

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.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2025-71349

Affected Products

Picklescan

References · 3

• https://github.com/mmaitre314/picklescan/security/advisories/GHSA-5qwp-399c-mjwf · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-71349 · Security Note
• https://vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-undetected-trace-trace-run-in-pickle-files · Note