Keycloak 26.6.2 released

To download the release go to Keycloak downloads . Upgrading Before upgrading refer to the migration guide for a complete list of changes. All resolved issues Security fixes #47485 CVE-2026-33871 HTTP/2 CONTINUATION Frame Flood Denial of Service #47486 CVE-2026-33870 RFC violation: HTTP Request Smuggling primitive via Chunked Extension Quoted-String Parsing #47932 [CVE-2026-4628] Improper Access Control on Keycloak Server through UMA resource management endpoints via PUT parameters authorization-services #48049 [CVE-2026-37980] Stored XSS in select-organization.ftl - FreeMarker HTML-escape ins