Gitea OAuth2 refresh token grant accepts access tokens
Gitea's OAuth2 token endpoint verified the signature and grant of a token submitted with the `refresh_token` grant type, but not that the token was a refresh token. An unexpired access token for the same OAuth2 application and grant could be exchanged for a new access token and refresh token. Whoever holds such an access token could keep access beyond the token's original lifetime.
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beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-101023US | — | — | ||
Gitea's OAuth2 token endpoint verified the signature and grant of a token submitted with the `refresh_token` grant type, but not that the token was a refresh token. An unexpired ac… | ||||
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Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://blog.gitea.com/release-of-28.1.0/ARTICLE
- https://github.com/go-gitea/gitea/pull/39501FIX
- https://github.com/go-gitea/gitea/pull/39507FIX
- https://github.com/go-gitea/gitea/releases/tag/v28.1.0ARTICLE
- https://github.com/go-gitea/gitea/security/advisories/GHSA-469m-x4mw-38r3ADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2026-101023WEB
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