{"id":"CVE-2026-17526","title":"Keycloak is an open-source identity and access management solution","summary":"Keycloak is an open-source identity and access management solution. A vulnerability was discovered where a user with the impersonation role can impersonate a realm administrator. This allows the attacker to gain full administrative contr…","severity":"high","cvss":7.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-862"],"vendor":"Red Hat","product":"keycloak-rhel9-container","affected":["keycloak-rhel9-container (all versions)","keycloak-rhel9-operator-container (all versions)","rhbk/keycloak-operator-bundle (all versions)","keycloak-services","rhbk-openshift-rhel9/rhbk-openshift-rhel9","keycloak-rhel9-container (all versions)","keycloak-rhel9-operator-bundle-container (all versions)","keycloak-rhel9-operator-container (all versions)","keycloak-services","rhbk-keycloak-rhel9/rhbk-keycloak-rhel9","rhbk-openshift-rhel9/rhbk-openshift-rhel9","keycloak-services","keycloak-services","keycloak-services"],"patched":["build_of_keycloak 26.4","build_of_keycloak 26.4.16","build_of_keycloak 26.6.7"],"published":"2026-09-16","updated":"2026-09-16","sourceUpdated":"2026-09-16T19:42:43.623","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-17526","references":[{"url":"https://access.redhat.com/errata/RHSA-2026:68276","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:68277","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:68278","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:68280","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-17526","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2507409","label":"secalert@redhat.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-17526.json"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-17526"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17526"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-16T16:01:08.129861Z"},"ingestedAt":"2026-09-16T15:58:38.770Z","epss":0.00452,"epssPercentile":0.38464,"slug":"CVE-2026-17526","body":"## Overview\n\nKeycloak is an open-source identity and access management solution. A vulnerability was discovered where a user with the impersonation role can impersonate a realm administrator. This allows the attacker to gain full administrative control over the realm, including the ability to manage users, clients, and roles.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **RHSA-2026:68276** · Red Hat · fixed in: Red Hat build of Keycloak 26.4 · released 2026-09-16 · [advisory](https://access.redhat.com/errata/RHSA-2026:68276)\n- **RHSA-2026:68280** · Red Hat · fixed in: Red Hat build of Keycloak 26.4.16 · released 2026-09-16 · [advisory](https://access.redhat.com/errata/RHSA-2026:68280)\n- **RHSA-2026:68278** · Red Hat · fixed in: Red Hat build of Keycloak 26.6.7 · released 2026-09-16 · [advisory](https://access.redhat.com/errata/RHSA-2026:68278)\n- **RHSA-2026:68277** · Red Hat · fixed in: Red Hat build of Keycloak 26.6 · released 2026-09-16 · [advisory](https://access.redhat.com/errata/RHSA-2026:68277)","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":39.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}