CVE-2026-58423 LFS authentication bypass via malformed SSH sub-verb allows unauthorized read access to private repositories
Attackers can bypass authentication via malformed SSH sub-verbs to read private repositories in Gitea Git servers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-58423?
CVE-2026-58423 is a high-severity authentication bypass vulnerability in Gitea Open Source Git Server, published on 3 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
LFS authentication bypass via malformed SSH sub-verb allows unauthorized read access to private repositories
Weakness: CWE-287
Which versions are affected by CVE-2026-58423?
3 open source packages ship an affected version, including code.gitea.io/gitea.
| Package | Affected | Fixed in |
|---|---|---|
code.gitea.io/gitea Go | From 1.23.0 | 1.26.3 |
code.gitea.io/gitea Go | From 1.23.0 | 1.26.3 |
code.gitea.io/gitea Go | From 1.23.0 | 1.26.3 |
How do I fix CVE-2026-58423?
Upgrade code.gitea.io/gitea to 1.26.3 or later.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-58423 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-58423 exists.
Sources
Also known as GHSA-7wvc-rvp7-w99x, GO-2026-6046.