CVE-2025-71349 · Symaro Security Advisory

Description

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.

Severity (CVSS)

Base score	7.6
Severity	High
Version	CVSS 4.0
Vector	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Provided by	CNA

Weaknesses

CWE-502 — Deserialization of Untrusted Data

Affected products

Vendor	Product	Versions
picklescan	picklescan	0 to <0.0.29; 0.0.29

References

https://github.com/mmaitre314/picklescan/security/advisories/GHSA-5qwp-399c-mjwf (vendor-advisory)
https://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-undetected-trace-trace-run-in-pickle-files (third-party-advisory)

Authoritative sources

This page is a snapshot. For the latest enrichment and updates, view the record on CVE.org or the NVD.

Generated from the official CVE List on 01 Jul 2026 07:05 UTC.