CVE-2026-104627
UnratedPublished 2026-10-18
CVSS
—
Unrated
EPSS
—
exploit probability
Active Exploit
No
not yet listed
What is CVE-2026-104627?
The Gitea OpenID association callback in the security settings accepted a positive OpenID 2.0 assertion without checking that the signed-in user had started the linking. Because OpenID 2.0 allows unsolicited assertions, an attacker-controlled OpenID provider could attach the attacker's identity to the account of a signed-in victim who opened a crafted link, and the attacker could then sign in as the victim through OpenID login, which does not apply the local TOTP or WebAuthn checks. The callback now requires a time-limited `state` value bound to the user.
CVSS Score Explained
No CVSS score available for this CVE yet.
EPSS Exploitation Probability
No EPSS score yet — model needs more data on this CVE.
References & Patches
- PATCHhttps://blog.gitea.com/release-of-28.2.0/
- ›https://github.com/go-gitea/gitea/pull/39642
- ›https://github.com/go-gitea/gitea/pull/39744
- PATCHhttps://github.com/go-gitea/gitea/releases/tag/v28.2.0
- ›https://github.com/go-gitea/gitea/security/advisories/GHSA-mf69-7pqq-86vx
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