{"id":"CVE-2026-17526","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-17526","generatedAt":"2026-10-28T01:52:21.805Z","title":"A vulnerability was discovered where a user with the impersonation role can impersonate a realm administrator.","description":"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":"2026-09-16T16:17:05.000Z","lastModified":"2026-09-16T19:42:44.000Z","status":"Awaiting Analysis","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.1","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"},"cwe":["CWE-862"],"affected":[],"epss":{"score":0.00625,"percentile":0.49666,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.63%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:68276","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:68277","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:68278","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:68280","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-17526","source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2507409","source":"secalert@redhat.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-17526","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}