VDB
CVE-2026-53584
CVE-2026-53584
PUBLISHED
CVSS 4.3 MEDIUM
Reported by GitHub_M · Published August 20, 2026
libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allowing to build Git functionality into your application. Prior to 1.8.6 and 1.9.5, libgit2 does not reject traversal components in a submodule path loaded from .gitmodules. The affected src/libgit2/submodule.c paths include git_submodule_lookup and git_submodule_add_setup. A crafted repository can specify a path such as ../escape-target, and applications that initialize the submodule can create directories outside the repository working tree. This issue is fixed in versions 1.8.6 and 1.9.5.
Risk Scores
CVSS 3.1
4.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| libgit2 | libgit2 | < 1.8.6, >= 1.9.0, < 1.9.5 |
| alpine | libgit2 | 0, 0, 0 |
| libgit2 | libgit2 | < 1.8.6, >= 1.9.0, < 1.9.5 |
Timeline
- Jul 20, 2026 CVE Published
References
- https://github.com/libgit2/libgit2/security/advisories/GHSA-cw77-j82w-mchm x_refsource_CONFIRM
- https://github.com/libgit2/libgit2/commit/419637d3587396f5d139d6d88480eab3cd81e7a1 x_refsource_MISC
- https://github.com/libgit2/libgit2/commit/467c2d95ed663df722f83a5960edf568514b128c x_refsource_MISC
- https://github.com/libgit2/libgit2/commit/ec7371da9f359cd8293e9108e7a0b1c1b61b67c4 x_refsource_MISC
- https://github.com/libgit2/libgit2/releases/tag/v1.8.6 x_refsource_MISC
- https://github.com/libgit2/libgit2/releases/tag/v1.9.5 x_refsource_MISC