Vulnerability · Published Jul 3, 2026 · Assigned by Gitea
CVE-2026-28699Gitea Basic Auth bypasses OAuth2 access token scopes
High 8.1
In plain English
A high-severity improper access control in Gitea Open Source Git Server from Gitea. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 46% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.6%top 53.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack tooling1Public PoC
Official description
Gitea versions up to and including 1.26.1 allow OAuth2 access token scope enforcement to be bypassed through HTTP Basic authentication.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | code.gitea.io/gitea | 1.26.2 | GHSA-9r5x-wg6m-x2rc |
| Go | code.gitea.io/gitea | 1.26.2 | GO-2026-5299 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Gitea | Gitea Open Source Git Server | 0 – through 1.26.1 |
Weakness: CWE-284, CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
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