CVE-2026-24451 Gitea fork synchronization can expose private parent repository data
Attackers can access private parent repository data via fork synchronization after the parent repository becomes private.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-24451?
CVE-2026-24451 is a high-severity vulnerability in Gitea Open Source Git Server, published on 3 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Gitea 1.26.2 allows fork synchronization to continue after a parent repository changes from public to private, exposing data to a fork that should no longer be authorized.
Which versions are affected by CVE-2026-24451?
3 open source packages ship an affected version, including code.gitea.io/gitea.
| Package | Affected | Fixed in |
|---|---|---|
code.gitea.io/gitea Go | All versions | 1.26.3 |
code.gitea.io/gitea Go | All versions | 1.26.3 |
code.gitea.io/gitea Go | All versions | 1.26.3 |
How do I fix CVE-2026-24451?
Upgrade code.gitea.io/gitea to 1.26.3 or later.
Is CVE-2026-24451 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-24451 exists.
Sources
Also known as GHSA-wrf9-r3h7-7x5v, GO-2026-6081.