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Description

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

PUBLISHED Reserved 2026-03-03 | Published 2026-07-03 | Updated 2026-07-06 | Assigner Gitea




HIGH: 8.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Problem types

Improper Access Control

Incorrect Authorization

Product status

Default status
unaffected

Any version
affected

Credits

Alardiians reporter

References

github.com/.../gitea/security/advisories/GHSA-9r5x-wg6m-x2rc exploit

github.com/.../gitea/security/advisories/GHSA-9r5x-wg6m-x2rc (GitHub Security Advisory) vendor-advisory

github.com/go-gitea/gitea/pull/37503 (GitHub Pull Request #37503) patch

github.com/go-gitea/gitea/releases/tag/v1.26.2 (Gitea v1.26.2 Release) release-notes

blog.gitea.com/release-of-1.26.2/ (Gitea v1.26.2 Release Blog Post) release-notes

cve.org (CVE-2026-28699)

nvd.nist.gov (CVE-2026-28699)

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