CVE-2026-20904 Gitea: Broken access control in OpenID visibility toggle enables cross-user visibility changes

What is CVE-2026-20904?

CVE-2026-20904 is a medium-severity missing authorization vulnerability in Gitea Gitea, published on 22 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Gitea does not properly validate ownership when toggling OpenID URI visibility. An authenticated user may be able to change the visibility settings of other users' OpenID identities.

Weakness: CWE-639, CWE-284

Which versions are affected by CVE-2026-20904?

4 open source packages ship an affected version, including github.com/go-gitea/gitea, gitea and code.gitea.io/gitea. It affects 1 product.

Products include Gitea Gitea.

How do I fix CVE-2026-20904?

Upgrade github.com/go-gitea/gitea to 1.25.4 or later.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-20904 being exploited?

There is no known exploitation of CVE-2026-20904 in the wild and no public exploit code.

Other vulnerabilities in Gitea Gitea

• CVE-2026-60004 Gitea Code Injection Exploited Critical 9.8
• CVE-2026-73278 Gitea WebAuthn bypass during OAuth and OIDC sign-in Critical 9.8
• CVE-2026-94205 Gitea fork workflow approval bypass through maintainer-triggered events Critical 9.8
• CVE-2022-42968 Gitea vulnerable to Argument Injection Critical 9.8
• CVE-2021-45330 Improper Privilege Management in Gitea Critical 9.8

All Gitea Gitea vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• GitHub advisory
• How this page is made

Also known as BIT-gitea-2026-20904, GHSA-jrpc-w85r-hgqx, GHSA-qqgv-v353-cv8p, GO-2026-4369.