Red Hat Product Errata RHSA-2026:25097 - Security Advisory Issued: 2026-06-10 Updated: 2026-06-10 RHSA-2026:25097 - Security Advisory Overview Updated Images Synopsis Moderate: Red Hat build of Keycloak 26.6.3 Images Update Type/Severity Security Advisory: Moderate Topic New images are available for Red Hat build of Keycloak 26.6.3 and Red Hat build of Keycloak 26.6.3 Operator, running on OpenShift Container Platform Description Red Hat build of Keycloak is an integrated sign-on solution, available as a Red Hat JBoss Middleware for OpenShift containerized image. The Red Hat build of Keycloak for OpenShift image provides an authentication server that you can use to log in centrally, log out, and register. You can also manage user accounts for web applications, mobile applications, and RESTful web services. Red Hat build of Keycloak Operator for OpenShift simplifies deployment and management of Keycloak 26.6.3 clusters. This erratum releases new images for Red Hat build of Keycloak 26.6.3 for use within the OpenShift Container Platform cloud computing Platform-as-a-Service (PaaS) for on-premise or private cloud deployments, aligning with the standalone product release. Security fixes: Security restriction bypass allows unauthorized ROPC token acquisition (CVE-2026-9792) Privilege escalation due to oversized subject_token JWT (CVE-2026-9704) Denial of Service via malformed LDAP password policy response (CVE-2026-9801) Denial of Service via malformed Authorization header (CVE-2026-9803) Organization Data Leak After Feature Disabled in Keycloak (CVE-2026-9791) Information disclosure via SAML ECP endpoint (CVE-2026-9794) Unauthorized account access via replayed refresh tokens after cluster restart (CVE-2026-9802) Cross-Session Email Verification Proof Not Bound to Upstream Identity in First-Broker-Login (CVE-2026-9087) Information disclosure due to user profile permission bypass (CVE-2026-9088) Policy bypass during WebAuthn credential registration via client-side JavaScript manipulation (CVE-2026-8830) Improper Access Control on Keycloak Server when the account Account API feature is disabled (CVE-2026-7500) Security flaw in org.keycloak/keycloak-services (CVE-2026-8922) Information disclosure via CORS header injection due to unvalidated JWT azp claim (CVE-2026-37977) Server-Side Request Forgery via OIDC token endpoint manipulation (CVE-2026-4874) Solution Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on. Affected Products Red Hat build of Keycloak Text-only Advisories x86_64 Fixes (none) CVEs CVE-2026-4874 CVE-2026-7500 CVE-2026-8830 CVE-2026-8922 CVE-2026-9087 CVE-2026-9088 CVE-2026-9704 CVE-2026-9791 CVE-2026-9792 CVE-2026-9794 CVE-2026-9801 CVE-2026-9802 CVE-2026-9803 CVE-2026-37977 References https://access.redhat.com/security/updates/classification/#moderate aarch64 rhbk/keycloak-rhel9@sha256:749a914cbd258815ac1fb6ca8f6e8624c30c6b411a6f6f00f7204e6e9d053c79 rhbk/keycloak-rhel9-operator@sha256:091b92f4afb1a23d0fc927e4160e824237b46128ea700ceeba6a8197f2952e6f ppc64le rhbk/keycloak-rhel9@sha256:acdf471dd72130f542d96f2066de14cee987d8d7c3c18eebfe7a9f6dd3ddcb8b rhbk/keycloak-rhel9-operator@sha256:3e7730250bf4e80e6097bf585f6c56d26296abfd3a895b705fcb954fff5a6223 s390x rhbk/keycloak-rhel9@sha256:7e81ba378ddeb63a1a2fd2b85e9302a6430b44614a519e942bf410b376adc071 rhbk/keycloak-rhel9-operator@sha256:c71e3d3785552cb3f18bca097c7dac638fbc6e4d7af470da22b910181c0202c8 x86_64 rhbk/keycloak-operator-bundle@sha256:b32c3aaa65f4ea0ef5eca9ea14ba20f7a382a625acfeebf2b9f604caeaea143d rhbk/keycloak-rhel9@sha256:99222593645c093307b570651213c1695f74f7782f6922900688f8c4183d0c2c rhbk/keycloak-rhel9-operator@sha256:7230f239140c1e843bd0939ba086a285a183e3ed6c47b7fa72d55204f7fd5e54 The Red Hat security contact is secalert@redhat.com . More contact details at https://access.redhat.com/security/team/contact/ .