CVE-2026-58438 Gitea: Cross-repository IDOR in issue-dependency removal lets an attacker tamper with and comment on private repos they cannot access
Attackers can tamper with and comment on private repositories they cannot access due to a cross-repository IDOR in issue-dependency removal.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-58438?
CVE-2026-58438 is a high-severity 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
Cross-repository IDOR in issue-dependency removal lets an attacker tamper with and comment on private repos they cannot access
Weakness: CWE-862
Which versions are affected by CVE-2026-58438?
3 open source packages ship an affected version, including gitea.dev.
| Package | Affected | Fixed in |
|---|---|---|
gitea.dev Go | All versions | 1.27.0 |
gitea.dev Go | All versions | 1.27.0 |
gitea.dev Go | All versions | 1.27.0 |
How do I fix CVE-2026-58438?
Upgrade gitea.dev 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-2026-58438 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-58438 exists.
Sources
Also known as GHSA-xv9x-fj9g-vj6h, GO-2026-6085.