Description
Gitea versions up to and including 1.26.1 allow OAuth2 access token scope enforcement to be bypassed through HTTP Basic authentication.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Gitea | Gitea Open Source Git Server | ≤ 1.26.1 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | govulncheck-vulndb | 0.0.20260723T184607-160000.1.1 | openSUSE-SU-2026:21483-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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Alardiians/gitea-CVE-2026-28699 ★ 1 · Jun 11, 2026
Lab + writeup for CVE-2026-28699: Gitea OAuth2 scope enforcement bypass via HTTP Basic auth
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | code.gitea.io/gitea | < 1.26.2 | 1.26.2 | GHSA-9r5x-wg6m-x2rc |
Advisories 2
- openSUSE-SU-2026:21483-1 Security update for govulncheck-vulndb SUSE / openSUSE Security Updates · Jul 31, 2026
- WID-SEC-2026-1637 Gitea: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 5, 2026
References
- GitHub Security Advisory vendor-advisory
- GitHub Pull Request #37503 patch
- Gitea v1.26.2 Release release-notes
- Gitea v1.26.2 Release Blog Post release-notes