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Advisory record · GHSA-59cr-6r3x-644w

GitPython submodule update path traversal can write outside the repository

CVSS 8.7 HighEPSS 0.0040 · 34th percentile

Published by the GitHub Advisory Database at 30 Sept 2026, 23:47 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
gitpythonPyPI<3.1.623.1.62
Identifiers
GHSA-59cr-6r3x-644w · CVE-2026-100689
Weakness (CWE)
CWE-22 · CWE-73
Tags
Published
30 Sept 2026
Updated
1 Oct 2026

Machine-written summary

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

GitPython before 3.1.62 lets a crafted .gitmodules path value make submodule updates create, populate, or delete directories outside the repository. The attack needs the victim's code to update submodules at a non-HEAD commit, and no end-to-end trigger was built. Upgrade to GitPython 3.1.62.

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
8.7 High 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CNA (VulnCheck)
  • CISA KEV Not listed.
  • EPSS 0.0040, the 34th percentile, on 8 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:09 UTC First seen by agentprime
  2. 31 Oct 2026, 14:09 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.