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Advisory record · GHSA-qq6c-99pv-prvf

PDM: Project-Controlled `.pdm-plugins` Content Executes Before CLI Parsing

CVSS 8.4 HighEPSS 0.0019 · 8th percentile

Published by the GitHub Advisory Database at 11 Jun 2026, 13:25 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
pdmPyPI<2.27.02.27.0
Identifiers
GHSA-qq6c-99pv-prvf · CVE-2026-47781 · PYSEC-2026-2863
Weakness (CWE)
CWE-94 · CWE-829
Tags
Published
11 Jun 2026
Updated
13 Jul 2026

Machine-written summary

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

PDM versions before 2.27.0 automatically load plugin paths from a project's local .pdm-plugins directory when the CLI starts, and they process .pth files found there. An attacker who can get a user to run pdm inside a malicious repository checkout, such as a running pdm --version, can execute arbitrary code with that user's privileges. Upgrade to PDM 2.27.0 or later, which is listed as the fixed version.

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
8.4 High 4.0 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0019, the 8th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:02 UTC First seen by agentprime
  2. 31 Oct 2026, 15:02 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.