CVE-2026-12910
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.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 5.4
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- EPSS probability
- 0.32%
- CWE
- CWE-306
- Published
- 2026-09-15
- Last modified
- 2026-09-15
Affected products
- GitLab GitLab
- GitLab GitLab
- GitLab GitLab
Weakness type
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