{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-15723", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "state": "PUBLISHED", "assignerShortName": "GitLab", "dateReserved": "2026-07-14T13:04:45.612Z", "datePublished": "2026-10-21T23:35:15.434Z", "dateUpdated": "2026-10-21T23:35:15.434Z"}, "containers": {"cna": {"title": "Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection') in GitLab", "descriptions": [{"lang": "en", "value": "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": [{"vendor": "GitLab", "product": "GitLab", "repo": "https://gitlab.com/gitlab-org/gitlab", "cpes": ["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"], "versions": [{"version": "10.1", "status": "affected", "lessThan": "19.3.6", "versionType": "semver"}, {"version": "19.4", "status": "affected", "lessThan": "19.4.3", "versionType": "semver"}, {"version": "19.5", "status": "affected", "lessThan": "19.5.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-90: Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')", "cweId": "CWE-90", "type": "CWE"}]}], "references": [{"url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/605977"}, {"url": "https://hackerone.com/reports/3852192", "name": "HackerOne Bug Bounty Report #3852192", "tags": ["technical-description", "exploit", "permissions-required"]}, {"url": "https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH"}}], "solutions": [{"lang": "en", "value": "Upgrade to versions 19.3.6, 19.4.3, 19.5.1 or above."}], "credits": [{"lang": "en", "value": "Thanks [stealthy](https://hackerone.com/stealthy) for reporting this vulnerability through our HackerOne bug bounty program", "type": "finder"}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2026-10-21T23:35:15.434Z"}}}}

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