HIGH 8.2 NVD
CVE-2026-15723
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.1 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when OmniAuth SA
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.1 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when OmniAuth SAML and LDAP auto-linking were both enabled, an authenticated user could have taken over an existing LDAP-backed account without any interaction from the targeted user, due to improper input sanitization in the LDAP email lookup path used during OmniAuth identity linking.
References
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/
- https://gitlab.com/gitlab-org/gitlab/-/work_items/605977
- https://hackerone.com/reports/3852192
This high severity vulnerability with a CVSS score of 8.2 was published on 2026-10-22 via NVD.
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