Vulnerability advisory

CVE-2026-28699

Gitea Basic Auth bypasses OAuth2 access token scopes

Published Jul 3, 2026Updated Oct 28, 2026OSV record ↗

Severity

Affected versions

Affected commits	Fixed by commit
GIT github.com/go-gitea/gitea ↗
All commits before 2c749ce548b1da0a52835861a87b888e67842d29	`2c749ce548b1da0a52835861a87b888e67842d29`
Also listed as affected (42) `v1.26.1` `v1.26.0` `v1.26.0-rc0` `v1.27.0-dev` `v1.26.0-dev` `v1.25.0-dev` `v1.24.0-dev` `v1.22.0-rc1` `v1.23.0-dev` `v1.22.0-rc0` `v1.21.0-rc0` `v1.22.0-dev` `v1.20.0-rc0` `v1.21.0-dev` `v1.20.0-dev` `v1.19.0-rc0` `v1.18.0-rc0` `v1.19.0-dev` `v1.18.0-dev` `v1.17.0-dev` `v1.16.0-rc1` `v1.15.0-rc1` `v1.16.0-dev` `v1.15.0-dev` `v1.14.0-dev` `v1.13.0-dev` `v1.12.0-dev` `v1.10.5` `v1.11.0-rc1` `v1.10.0-rc1` `v1.11.0-dev` `v1.9.0-rc1` `v1.10.0-dev` `v1.9.0-dev` `v1.7.0-dev` `v1.6.0-rc1` `v1.6.0-dev` `v1.5.0-rc1` `v1.5.0-dev` `v1.1.0` `v1.0.0` `v0.9.99`

Gitea versions up to and including 1.26.1 allow OAuth2 access token scope enforcement to be bypassed through HTTP Basic authentication.