GHSA-v8f2-2ghq-9whv

Gitea forwarded-proto validation allows canonical URL spoofing

At a glance

Published: 2026-07-03 21:31 UTC
Updated: 2026-09-10 15:25 UTC
CVE: CVE-2026-27779
Aliases: GO-2026-6345
CVSS_V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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

Package	Versions
Go · code.gitea.io/gitea	introduced 0, fixed 1.25.5

References

https://nvd.nist.gov/vuln/detail/CVE-2026-27779 ADVISORY
https://github.com/go-gitea/gitea/pull/36810 WEB
https://github.com/go-gitea/gitea/pull/36836 WEB
https://github.com/go-gitea/gitea/commit/723ce3579f96e75fd12514283023a051a1432b1b WEB
https://github.com/go-gitea/gitea/commit/e2517e0fa93177ef6947245eaeab543c95ef18ff WEB
https://blog.gitea.com/release-of-1.25.5 WEB
https://github.com/go-gitea/gitea PACKAGE
https://github.com/go-gitea/gitea/releases/tag/v1.25.5 WEB

Sources

Source	Licence
OSV.dev	CC-BY 4.0 — GitHub Advisory Database