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Advisory record · GHSA-q54r-jf2p-rfr2

gitoxide gix: untrusted .git/config disables filesystem .git-protection path checks via unfiltered protect_options()

CVSS 7.3 High

Published by the GitHub Advisory Database at 23 Oct 2026, 20:52 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
gixcrates.io>=0.88.0, <0.90.00.90.0
Identifiers
GHSA-q54r-jf2p-rfr2
Weakness (CWE)
CWE-349
Tags
Published
23 Oct 2026
Updated
23 Oct 2026

Machine-written summary

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

The gix crate on crates.io, versions 0.88.0 up to but not including 0.90.0, reads the core.protectHFS, core.protectNTFS and gitoxide.core.protectWindows settings without applying the trust filter that applies to other security-relevant config. A user who opens a repository with reduced trust on a shared filesystem can have an attacker-controlled repository-local .git/config disable these path checks, which can let crafted tree entries overwrite hooks and configuration on case-insensitive filesystems. Upgrade gix to version 0.90.0 or later.

Written 3 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
7.3 High 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS No score.

Timeline

  1. 31 Oct 2026, 14:24 UTC First seen by agentprime
  2. 31 Oct 2026, 14:24 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.