What is GHSA-4c8f-3m6h-m56r?

GHSA-4c8f-3m6h-m56r is a security advisory published by GitHub Security Advisories with High severity. Gitea primary email ownership bypass allows cross-user email changes

Which CVE IDs does GHSA-4c8f-3m6h-m56r cover?

GHSA-4c8f-3m6h-m56r covers the following CVE IDs: CVE-2026-27657. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4c8f-3m6h-m56r?

GHSA-4c8f-3m6h-m56r has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

Which products are affected by GHSA-4c8f-3m6h-m56r?

GHSA-4c8f-3m6h-m56r affects 1 product, including: go/code.gitea.io/gitea:\u003c 1.25.5.

GHSA-4c8f-3m6h-m56rHighCVSS 7.5

Gitea primary email ownership bypass allows cross-user email changes

Vendor

GitHub Security Advisories

Published

July 3, 2026

Last Modified

September 1, 2026

🔗 CVE IDs covered (1)

CVE-2026-27657 →

📋 Description

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

🎯 Affected products1

go/code.gitea.io/gitea:< 1.25.5

🔗 References (8)

https://nvd.nist.gov/vuln/detail/CVE-2026-27657
https://github.com/go-gitea/gitea/pull/36586
https://github.com/go-gitea/gitea/pull/36607
https://blog.gitea.com/release-of-1.25.5
https://github.com/go-gitea/gitea/releases/tag/v1.25.5
https://github.com/go-gitea/gitea/commit/8d26ea93738430a57d00c2da0fd97e1ba712eed7
https://github.com/go-gitea/gitea/commit/e927a86586afc138959b462d4040d1547f406f71
https://github.com/advisories/GHSA-4c8f-3m6h-m56r