Vulnerability · Published Jul 3, 2026 · Assigned by Gitea
CVE-2026-26232Gitea OAuth2 authorization codes lack expiry and reuse enforcement
Critical 9.1
In plain English
A critical-severity security flaw in Gitea Open Source Git Server from Gitea. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.5%top 57.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Gitea versions before 1.25.5 do not consistently enforce OAuth2 authorization code expiry and single-use behavior during token exchange.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | code.gitea.io/gitea | 1.25.5 | GHSA-5v69-g2m3-3hq3 |
| Go | code.gitea.io/gitea | 1.25.5 | GO-2026-6336 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Gitea | Gitea Open Source Git Server | 0 – before 1.25.5 |
Weakness: CWE-294 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
References
- GitHub Pull Request #36797 patch
- GitHub Pull Request #36851 patch
- Gitea v1.25.5 Release release-notes
- Gitea v1.25.5 Release Blog Post release-notes