Medium [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
This medium-severity GitLab advisory covers CVE-2026-12910 affecting GitLab.
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Summary
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.
- before 19.1.8
- before 19.2.6
- before 19.3.2
Official advisory · high-confidence parse· fetched 29 days ago·verify at source
- 19.1.8
- 19.2.6
- 19.3.2
Official advisory · high-confidence parse· fetched 29 days ago·verify at source
Mitigation
Upgrade to a fixed release: 19.1.8, 19.2.6, 19.3.2. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 29 days ago·verify at source
Discussion(0)
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