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Advisory record · GHSA-qp9x-wp8f-qgjj

tuf has platform-dependent delegation path matching

CVSS 4.0 Medium

Published by the GitHub Advisory Database at 28 May 2026, 22:46 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
tufPyPI<7.0.07.0.0
Identifiers
GHSA-qp9x-wp8f-qgjj
Weakness (CWE)
CWE-178
Tags
Published
28 May 2026
Updated
10 Sept 2026

Machine-written summary

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

Python-tuf (PyPI package tuf) versions before 7.0.0 match delegation path patterns case-insensitively on Windows hosts but case-sensitively on Linux and macOS, because fnmatch.fnmatch applies the platform's path normalization. An attacker who controls one delegated role in a repository whose delegation patterns differ only in letter case, and who places that role earlier in delegation order, can get a target authorized on Windows clients that should not be. Upgrade to version 7.0.0 or later.

Written 1 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
4.0 Medium 3.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS No score.

Timeline

  1. 31 Oct 2026, 14:11 UTC First seen by agentprime
  2. 31 Oct 2026, 14:11 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.