What is GHSA-q9w7-g33h-p2jw?

GHSA-q9w7-g33h-p2jw is a security advisory published by GitHub Security Advisories with Medium severity. GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.6 before 19.1.8, 19...

Which CVE IDs does GHSA-q9w7-g33h-p2jw cover?

GHSA-q9w7-g33h-p2jw covers the following CVE IDs: CVE-2026-12910. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-q9w7-g33h-p2jw?

GHSA-q9w7-g33h-p2jw has a CVSS v3 base score of 5.4, published by GitHub Security Advisories.

GHSA-q9w7-g33h-p2jwMediumCVSS 5.4

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.6 before 19.1.8, 19...

Vendor

GitHub Security Advisories

Published

September 15, 2026

Last Modified

September 15, 2026

🔗 CVE IDs covered (1)

CVE-2026-12910 →

📋 Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.6 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user to bypass SAML SSO sign-in restrictions and authenticate without SSO due to missing authentication enforcement checks.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-12910
https://hackerone.com/reports/3745561
https://gitlab.com/gitlab-org/gitlab/-/work_items/603742
https://github.com/advisories/GHSA-q9w7-g33h-p2jw