{"id":"CVE-2026-17526","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-17526","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…","details":"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 control over the realm, including the ability to manage users, clients, and roles.","published":"2026-09-16T16:17:04.647","modified":"2026-09-16T19:42:43.623","cvss":{"score":7.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.00452,"percentile":0.38421,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:68276"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:68277"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:68278"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:68280"},{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2026-17526"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2507409"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-16T19:42:43.623"}}