{"id":"CVE-2026-16071","aliases":["BIT-keycloak-2026-16071","EUVD-2026-53383","GHSA-m28w-c4hx-9fvg"],"status":"published","title":"Keycloak-services: keycloak-services: ldap entry-dn user search bypasses configured users dn boundary","description":"A flaw was found in the LDAP storage provider of Keycloak, which is used to federate user identities from external directories. The issue occurs when a delegated administrator performs a search using a specific LDAP entry Distinguished Name (DN). Due to missing validation, the system allows lookups for users located outside the configured search boundary, leading to the disclosure of account information from unauthorized parts of the directory and unintended importing of those users into local storage.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00315,"percentile":0.24781,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-269","CWE-90"],"published":"2026-08-05T13:50:54Z","modified":"2026-09-08T08:48:06Z","fixes":[{"ecosystem":"Bitnami","package":"keycloak","fixed_in":["26.4.14","26.6.5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"keycloak","ranges":[{"type":"SEMVER","events":[{"introduced":"26.4.0"},{"fixed":"26.4.14"},{"introduced":"26.6.0"},{"fixed":"26.6.5"}]}]}],"products":[{"vendor":"red hat","product":"red hat build of keycloak 26.4"},{"vendor":"red hat","product":"red hat build of keycloak 26.4.14"},{"vendor":"red hat","product":"red hat build of keycloak 26.6"},{"vendor":"red hat","product":"red hat build of keycloak 26.6.5"},{"vendor":"red hat","product":"red hat data grid 8"},{"vendor":"red hat","product":"red hat jboss enterprise application platform expansion pack"},{"vendor":"red hat","product":"red hat single sign-on 7"},{"vendor":"redhat","product":"build_of_keycloak"}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:50846","tags":["vendor-advisory","x_refsource_REDHAT","Vendor Advisory","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:50847","tags":["vendor-advisory","x_refsource_REDHAT","Vendor Advisory","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:50848","tags":["vendor-advisory","x_refsource_REDHAT","Vendor Advisory","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:50849","tags":["vendor-advisory","x_refsource_REDHAT","Vendor Advisory","advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-16071","tags":["vdb-entry","x_refsource_REDHAT","Vendor Advisory","advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2501720","tags":["issue-tracking","x_refsource_REDHAT","Issue Tracking","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16071","tags":["web"]},{"url":"https://github.com/advisories/GHSA-m28w-c4hx-9fvg"}],"sources":{"cve":[{"id":"CVE-2026-16071","title":"Keycloak-services: keycloak-services: ldap entry-dn user search bypasses configured users dn boundary","description":"A flaw was found in the LDAP storage provider of Keycloak, which is used to federate user identities from external directories. The issue occurs when a delegated administrator performs a search using a specific LDAP entry Distinguished Name (DN). Due to missing validation, the system allows lookups for users located outside the configured search boundary, leading to the disclosure of account information from unauthorized parts of the directory and unintended importing of those users into local storage.","status":"published","published":"2026-08-05T13:50:54.809Z","modified":"2026-08-31T14:20:19.319Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-90","CWE-269"],"updated_at":"2026-11-02T14:20:10.870108Z"}],"euvd":[{"id":"EUVD-2026-53383","description":"A flaw was found in the LDAP storage provider of Keycloak, which is used to federate user identities from external directories. The issue occurs when a delegated administrator performs a search using a specific LDAP entry Distinguished Name (DN). Due to missing validation, the system allows lookups for users located outside the configured search boundary, leading to the disclosure of account information from unauthorized parts of the directory and unintended importing of those users into local storage.","status":"published","published":"2026-08-05T13:50:54Z","modified":"2026-08-31T14:20:19Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:01:21.100116Z"}],"ghsa":[{"id":"GHSA-m28w-c4hx-9fvg","title":"A flaw was found in the LDAP storage provider of Keycloak, which is used to federate user...","description":"A flaw was found in the LDAP storage provider of Keycloak, which is used to federate user identities from external directories. The issue occurs when a delegated administrator performs a search using a specific LDAP entry Distinguished Name (DN). Due to missing validation, the system allows lookups for users located outside the configured search boundary, leading to the disclosure of account information from unauthorized parts of the directory and unintended importing of those users into local storage.","status":"published","published":"2026-08-05T15:32:22Z","modified":"2026-08-31T12:31:28Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-90","CWE-269"],"updated_at":"2026-11-02T15:11:11.297642Z"}],"nvd":[{"id":"CVE-2026-16071","description":"A flaw was found in the LDAP storage provider of Keycloak, which is used to federate user identities from external directories. The issue occurs when a delegated administrator performs a search using a specific LDAP entry Distinguished Name (DN). Due to missing validation, the system allows lookups for users located outside the configured search boundary, leading to the disclosure of account information from unauthorized parts of the directory and unintended importing of those users into local storage.","status":"published","published":"2026-08-05T15:16:37.44Z","modified":"2026-08-31T12:17:54.24Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-90","CWE-269"],"updated_at":"2026-11-02T14:12:35.031043Z"}],"osv":[{"id":"BIT-keycloak-2026-16071","title":"Keycloak-services: keycloak-services: ldap entry-dn user search bypasses configured users dn boundary","description":"A flaw was found in the LDAP storage provider of Keycloak, which is used to federate user identities from external directories. The issue occurs when a delegated administrator performs a search using a specific LDAP entry Distinguished Name (DN). Due to missing validation, the system allows lookups for users located outside the configured search boundary, leading to the disclosure of account information from unauthorized parts of the directory and unintended importing of those users into local storage.","status":"published","published":"2026-08-25T11:41:41.975Z","modified":"2026-09-08T08:48:06.856014561Z","updated_at":"2026-11-02T15:28:32.162822Z"}]}}