CVE-2026-28699
HighPublished
Gitea Basic Auth bypasses OAuth2 access token scopes
- Published
- Jul 3, 2026
- Updated
- Jul 6, 2026
- Assigning CNA
- Gitea
- Evidence observed
- Aug 8, 2026
Primary CVSS
8.1/ 10High
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N0.6%
Low · next 30 days
- Percentile
- 44.7%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Gitea versions up to and including 1.26.1 allow OAuth2 access token scope enforcement to be bypassed through HTTP Basic authentication.
Sources
1Lab + writeup for CVE-2026-28699: Gitea OAuth2 scope enforcement bypass via HTTP Basic auth
Responsible use
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