python-git: GitPython is a python library used to interact with Git repositories
CVE-2026-42284 is fixed in 3 products on 1 platform, first by python3-git 3.1.46-1ubuntu0.1~esm1, released May 7, 2026. It is not reported as exploited. Patch Radar priority: Urgent.
GitPython is a python library used to interact with Git repositories. Prior to version 3.1.47, _clone() validates multi_options as the original list, then executes shlex.split(" ".join(multi_options)). A string like "--branch main --config core.hooksPath=/x" passes validation (starts with --branch), but after split becomes ["--branch", "main", "--config", "core.hooksPath=/x"]. Git applies the config and executes attacker hooks during clone. This issue has been patched in version 3.1.47.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| python-GitPython · sles 15.6 | 3.1.34.1693646983.2a2ae77-150400.9.8.1 | SUSE-SU-2026:4072-1 | Sep 8, 2026 |
| python-GitPython · sles 15.7 | 3.1.34.1693646983.2a2ae77-150400.9.8.1 | SUSE-SU-2026:4072-1 | Sep 8, 2026 |
| python-git · Debian 12.15 (bookworm) | 3.1.30-1+deb12u3 | DEBIAN-CVE-2026-42284 | May 27, 2026 |
| python-git · Debian 13.5 (trixie) | 3.1.44-1+deb13u1 | DEBIAN-CVE-2026-42284 | May 27, 2026 |
| python-git · Debian 14 | 3.1.50-1 | DEBIAN-CVE-2026-42284 | May 27, 2026 |
| python3-git · Ubuntu 20.04 LTS (focal) | 3.0.7-1ubuntu0.1~esm4 | python3-git 3.0.7-1ubuntu0.1~esm4 | May 27, 2026 |
| python3-git · Ubuntu 22.04.1 LTS (jammy) | 3.1.24-1ubuntu0.1~esm3 | python3-git 3.1.24-1ubuntu0.1~esm3 | May 27, 2026 |
| python3-git · Ubuntu 24.04.5 LTS (noble) | 3.1.37-3ubuntu0.1~esm2 | python3-git 3.1.37-3ubuntu0.1~esm2 | May 27, 2026 |
| python3-git · Ubuntu 26.04.1 LTS (resolute) | 3.1.46-1ubuntu0.1~esm1 | python3-git 3.1.46-1ubuntu0.1~esm1 | May 7, 2026 |
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