CVE-2026-15723 — Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection') in GitLab
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-…
Published: 2026-10-21 · CVSS: 8.2 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7