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CVE PROGRAM SOURCE RECORD9.1 Critical

CVE-2026-101023

Gitea OAuth2 refresh token grant accepts access tokens

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Gitea Gitea

Default version status: unaffected

  • 0 to ≤ 28.0.0affected

References