python-git: GitPython before 3.1.60 fails to properly validate the git directory location, allowing attackers to impersonate the...
CVE-2026-87817 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-87817, released September 10, 2026. It is not reported as exploited. Patch Radar priority: Routine.
GitPython before 3.1.60 fails to properly validate the git directory location, allowing attackers to impersonate the git directory using tracked files like gitdir, commondir, and HEAD. Attackers can execute arbitrary code by placing a malicious pre-commit hook in the tracked hooks directory that executes when a victim calls index.commit() on a cloned or opened repository.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| python-GitPython · opensuse-leap 16.0 | 3.1.44-160000.4.1 | OPENSUSE-SU-2026:21874-1 | Sep 18, 2026 |
| python-GitPython · sles 15.6 | 3.1.34.1693646983.2a2ae77-150400.9.11.1 | SUSE-SU-2026:4191-1 | Sep 15, 2026 |
| python-GitPython · sles 15.7 | 3.1.34.1693646983.2a2ae77-150400.9.11.1 | SUSE-SU-2026:4191-1 | Sep 15, 2026 |
| python-git · Debian 12.15 (bookworm) | 3.1.30-1+deb12u3 | DEBIAN-CVE-2026-87817 | Sep 10, 2026 |
| python-git · Debian 13.5 (trixie) | 3.1.44-1+deb13u1 | DEBIAN-CVE-2026-87817 | Sep 10, 2026 |
| python-git · Debian 14 | 3.1.61-1 | DEBIAN-CVE-2026-87817 | Sep 10, 2026 |
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