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.
Published: 2026-09-15
Score: 5.4 Medium
EPSS: n/a
KEV: No
AI Analysis

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Remediation

Vendor Solution

Upgrade to versions 19.1.8, 19.2.6, 19.3.2 or above.

Tracking

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Advisories

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History

Tue, 15 Sep 2026 17:45:00 +0000

Type Values Removed Values Added
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.
Title Missing Authentication for Critical Function in GitLab
First Time appeared Gitlab
Gitlab gitlab
Weaknesses CWE-306
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Vendors & Products Gitlab
Gitlab gitlab
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'}

Subscriptions

Gitlab Gitlab
cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published:

Updated: 2026-09-15T17:36:06.594Z

Reserved: 2026-06-22T15:33:41.496Z

Link: CVE-2026-12910

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-15T18:17:16.000

Modified: 2026-09-15T18:17:16.000

Link: CVE-2026-12910

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses