Vulnerability · Published Jul 3, 2026 · Assigned by Gitea
CVE-2026-27779Gitea forwarded-proto handling allows public URL spoofing
High 7.5
In plain English
A high-severity improper access control 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 0.6% (higher than 48% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 52.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Gitea versions before 1.25.5 accept malformed or injected forwarded-proto values when detecting public URLs, allowing spoofed canonical URL generation.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | code.gitea.io/gitea | 1.25.5 | GHSA-v8f2-2ghq-9whv |
| Go | code.gitea.io/gitea | 1.25.5 | GO-2026-6345 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Gitea | Gitea Open Source Git Server | 0 – before 1.25.5 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- GitHub Pull Request #36810 patch
- GitHub Pull Request #36836 patch
- Gitea v1.25.5 Release release-notes
- Gitea v1.25.5 Release Blog Post release-notes