VulnerabilityDeferred

CVE-2026-27779

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

HIGH 7.5EPSS 0.58%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.58%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.58% probability · 46th percentile
CISA KEV: Not listed
Weakness: CWE-284
Source: 88ee5874-cf24-4952-aea0-31affedb7ff2

References

https://blog.gitea.com/release-of-1.25.5/
https://github.com/go-gitea/gitea/pull/36810
https://github.com/go-gitea/gitea/pull/36836
https://github.com/go-gitea/gitea/releases/tag/v1.25.5

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.