CVE-2026-15723
HIGH
8,2
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: low
User Interaction: none
Scope: changed
Confidentiality: high
Integrity: high
Availability: none
Description
AI Translation Available
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.
90
Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
DraftCommon Consequences
Security Scopes Affected:
Confidentiality
Integrity
Availability
Potential Impacts:
Execute Unauthorized Code Or Commands
Read Application Data
Modify Application Data
Applicable Platforms
Technologies:
Database Server
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