CVE-2026-58443 Public-only repository tokens can update private PR head branches
Attackers with public-only repository tokens can modify private pull request head branches, compromising data integrity in Gitea.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-58443?
CVE-2026-58443 is a critical missing authorization vulnerability in Gitea Open Source Git Server, published on 13 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Public-only repository tokens can update private PR head branches
Weakness: CWE-863
Which versions are affected by CVE-2026-58443?
3 open source packages ship an affected version, including code.gitea.io/gitea and gitea.dev.
| Package | Affected | Fixed in |
|---|---|---|
code.gitea.io/gitea Go | All versions | 1.27.0 |
code.gitea.io/gitea Go | All versions | 1.27.0 |
gitea.dev Go | All versions | 1.27.0 |
How do I fix CVE-2026-58443?
Upgrade code.gitea.io/gitea to 1.27.0 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-58443 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-58443 exists.
Sources
Also known as GHSA-xxjv-752h-3vp2, GO-2026-6086, MINI-hfx3-rx4f-9c7h, MINI-pqcv-mgj7-j32f.