CVE-2026-27779: Gitea Open Source Git Server

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

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

Affected products

• Gitea Gitea Open Source Git Server: before 1.25.5 (fixed in 1.25.5)

Published 2026-07-03. Last modified 2026-07-06.