Gitea primary email ownership bypass allows cross-user email changes

HIGH 7.5CVE-2026-27657 · GHSA-4c8f-3m6h-m56r · GO-2026-6335 · Published 03/07/2026 · updated 25/10/2026

In short

CVE-2026-27657 is a HIGH (CVSS 7.5) vulnerability affecting code.gitea.io/gitea.
Chance of exploitation in the next 30 days (EPSS): 0.45%, higher than 39.2% of all vulnerabilities.
Fix: update to 1.25.5 or later.

Package	Affected versions	Patched versions
code.gitea.io/gitea Go	`< 1.25.5`	`1.25.5`

Gitea versions before 1.25.5 allow a user to change another user's primary email address.

NVD description

Gitea versions before 1.25.5 allow a user to change another user's primary email address.

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Package

Affected versions

Patched versions

< 1.25.5

1.25.5

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