CVE-2026-27779

High

Description

Gitea versions before 1.25.5 accept malformed or injected forwarded-proto values when detecting public URLs, allowing spoofed canonical URL generation.

SeverityHigh

CVSS7.5

Exploit probability—

ProductCode.gitea.io/gitea

PublishedJul 3, 2026

First seenJul 3, 2026

Weakness typeCWE-284Improper access control

How to fix

Update

code.gitea.io/gitea1.25.5 or later

Patches

github.com/go-gitea/gitea/pull/36810
github.com/go-gitea/gitea/pull/36836

Vendor advisories

github.com/go-gitea/gitea/releases/tag/v1.25.5
blog.gitea.com/release-of-1.25.5/

Affected products

Product	Affected versions	Fixed in
code.gitea.io/giteaGo	v < 1.25.5	1.25.5

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