{"schema_version":"1","data":[{"id":52700,"advisory_id":"798040b7-db16-4482-bb06-c04457a70b83","revision":1,"source_id":"core-cve","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-15723","source_published_at":"2026-10-21T23:35:15.434+00:00","published_at":"2026-10-25T14:49:29.017515+00:00","extraction_method":"structured","technologies":["core-cve","gitlab"],"cve_ids":["CVE-2026-15723"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection') in GitLab","summary":"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.","evidence":"cve:CVE-2026-15723","products":[{"name":{"value":"GitLab","evidence":"/containers/cna/affected/0/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"high","structured":{"id":"CVE-2026-15723","aliases":["CVE-2026-15723"],"metrics":[{"format":"CVSS","cvssV3_1":{"scope":"CHANGED","version":"3.1","baseScore":8.2,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"HIGH"},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"affected":[{"cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"],"repo":"https://gitlab.com/gitlab-org/gitlab","vendor":"GitLab","product":"GitLab","versions":[{"status":"affected","version":"10.1","lessThan":"19.3.6","versionType":"semver"},{"status":"affected","version":"19.4","lessThan":"19.4.3","versionType":"semver"},{"status":"affected","version":"19.5","lessThan":"19.5.1","versionType":"semver"}],"defaultStatus":"unaffected"}],"modified":"2026-10-23T10:58:00.648Z","provider":"cve","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/"],"provider_metadata":{"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-15723","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-10-23T03:55:20.114357Z"}}}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-23T10:58:00.648Z"}}],"cna":{"orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","shortName":"GitLab","dateUpdated":"2026-10-21T23:35:15.434Z"}}},"related_cves":[{"value":"CVE-2026-15723","evidence":"/cveMetadata/cveId"}],"security_relevant":true,"severity_evidence":"/containers/cna/metrics"},"priority":{"reasons":["publisher_severity"],"severity":"high","linked_cves":[],"fix_available":false,"known_exploited":false,"publisher_severity":"high"},"context_update":false}],"next_after":52700,"next_before":52700}