CVE-2026-28699

HIGH

Gitea Basic Auth bypasses OAuth2 access token scopes

Title source: cna
STIX 2.1

Description

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

References (4)

Core 4
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory
https://github.com/go-gitea/gitea/security/advisories/GHSA-9r5x-wg6m-x2rc
Patch patch
GitHub Pull Request #37503
https://github.com/go-gitea/gitea/pull/37503
Release Notes release-notes
Gitea v1.26.2 Release
https://github.com/go-gitea/gitea/releases/tag/v1.26.2
Release Notes release-notes
Gitea v1.26.2 Release Blog Post
https://blog.gitea.com/release-of-1.26.2/

Scores

CVSS v3 8.1
EPSS 0.0057
EPSS Percentile 43.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-284 CWE-863
Status published
Products (1)
Gitea/Gitea Open Source Git Server < 1.26.1
Published Jul 03, 2026
Tracked Since Jul 04, 2026