CVEvulnerability
CVE-2026-15723
8.2 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-10-22
- Last modified
- 2026-10-27
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.2 HIGH — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
- Weaknesses
- CWE-90
Description
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.
Affected configurations
• gitlab gitlab (>= 10.1.0 < 19.3.6)
• gitlab gitlab (>= 19.4.0 < 19.4.3)
• gitlab gitlab 19.5.0
Related
Weakness · CWE (1)
- CWE-90 Improper Neutralization of Special Elements used in an LDAP Query weakness
References
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/ Release Notes, Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/work_items/605977 Permissions Required
- https://hackerone.com/reports/3852192 Permissions Required