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Advisory record · GHSA-g344-hcph-8vgg

Picklescan has a missing detection when calling built-in python trace.Trace.runctx

CVSS 7.6 HighEPSS 0.0072 · 54th percentile

Published by the GitHub Advisory Database at 26 Aug 2025, 18:35 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
picklescanPyPI<0.0.290.0.29
Identifiers
GHSA-g344-hcph-8vgg · CVE-2025-71352
Weakness (CWE)
CWE-693
Tags
Published
26 Aug 2025
Updated
8 Jul 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Picklescan versions before 0.0.29 fail to flag pickle files that call trace.Trace.runctx, a built-in Python function, in a reduce method. An attacker can craft such a file so that picklescan reports it as safe, and when a victim loads it with pickle.load(), the attacker can execute code on the victim's system. Upgrade picklescan to version 0.0.29 or later.

Written 6 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.6 High 4.0 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 CNA (VulnCheck)
  • CISA KEV Not listed.
  • EPSS 0.0072, the 54th percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:05 UTC First seen by agentprime
  2. 31 Oct 2026, 15:05 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.