{"id":"CVE-2026-15723","revision":"b86c7b9065664d25b890ab148837e6da","records":[{"revision":"b86c7b9065664d25b890ab148837e6da","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-15723","aliases":[],"title":"Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection') in GitLab","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.","state":0,"publishedAt":"2026-10-21T23:35:15.434+00:00","modifiedAt":"2026-10-21T23:35:15.434+00:00","affected":[{"ecosystem":"Vendor product","name":"GitLab","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"GitLab\",\n                    \"product\": \"GitLab\",\n                    \"repo\": \"https://gitlab.com/gitlab-org/gitlab\",\n                    \"cpes\": [\n                        \"cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"10.1\",\n                            \"status\": \"affected\",\n                            \"lessThan\": \"19.3.6\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"19.4\",\n                            \"status\": \"affected\",\n                            \"lessThan\": \"19.4.3\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"19.5\",\n                            \"status\": \"affected\",\n                            \"lessThan\": \"19.5.1\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N","score":8.2,"severity":"HIGH"}],"references":["https://gitlab.com/gitlab-org/gitlab/-/work_items/605977","https://hackerone.com/reports/3852192","https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-15723","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-15723","identifiers":["CVE-2026-15723"]},"retained":false,"historicalAffected":[]}],"coverage":[]}