Red Hat Product Errata RHSA-2026:50849 - Security Advisory Issued: 2026-08-05 Updated: 2026-08-05 RHSA-2026:50849 - Security Advisory Overview Updated Images Synopsis Important: Red Hat build of Keycloak 26.6.5 Images Security Update Type/Severity Security Advisory: Important Topic New images are available for Red Hat build of Keycloak 26.6.5 and Red Hat build of Keycloak 26.6.5 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 26.6.5 clusters. This erratum releases new images for Red Hat build of Keycloak 26.6.5 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: Authorization Bypass vulnerability in the admin-ui-ext bulk role-mapping-delete endpoints of Keycloak (CVE-2026-11986) Admin UI extension brute-force-user endpoint bypasses FGAPv2 user view restrictions (CVE-2026-14209) FGAP v2 client scope assignment bypass via ClientResource (CVE-2026-14614) FGAP v2 parent group children endpoint bypasses per-child view permission filter (CVE-2026-14615) DCR protocol mapper type-swap policy bypass allows privilege escalation (CVE-2026-15572) Authorization bypass via unnormalized URI matching in PathMatcher (CVE-2026-15573) LDAP entry-DN user search bypasses configured users DN boundary (CVE-2026-16071) Unbounded metric cardinality in user event metrics via request-controlled error text (CVE-2026-16100) Default DCR policy allows role forgery via User Property mappers (CVE-2026-16102) Quarkus REST - Unbounded multipart MIME part-header accumulation allows remote OOM denial of service (CVE-2026-16308) SAML IdP-initiated broker login bypasses link-only restriction (CVE-2026-16442) SAML broker metadata import disables response signature validation (CVE-2026-16443) Denial of Service via specially crafted gRPC requests (CVE-2026-40983) Denial of Service via specially crafted HTTP requests (CVE-2026-40984) Arbitrary code execution via PolymorphicTypeValidator bypass (CVE-2026-54512) Security bypass allows arbitrary code execution (CVE-2026-54513) HTTP Parameter Pollution in OIDC redirect URI allows response parameter duplication - #GHI-604 (CVE-2026-9689) Security policy bypass in JWE-encrypted request object processing (CVE-2026-9793) Brute-force protection bypass in CIBA flow (CVE-2026-9798) 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-2025-5278 CVE-2025-13151 CVE-2026-5435 CVE-2026-5928 CVE-2026-6238 CVE-2026-9689 CVE-2026-9793 CVE-2026-9798 CVE-2026-11986 CVE-2026-14209 CVE-2026-14614 CVE-2026-14615 CVE-2026-15572 CVE-2026-15573 CVE-2026-16071 CVE-2026-16100 CVE-2026-16102 CVE-2026-16308 CVE-2026-16442 CVE-2026-16443 CVE-2026-40983 CVE-2026-40984 CVE-2026-41254 CVE-2026-46917 CVE-2026-46968 CVE-2026-47010 CVE-2026-47021 CVE-2026-47027 CVE-2026-47059 CVE-2026-47063 CVE-2026-54369 CVE-2026-54370 CVE-2026-54512 CVE-2026-54513 CVE-2026-60147 References https://access.redhat.com/security/updates/classification/#important aarch64 rhbk/keycloak-rhel9@sha256:7b668bfd2a9a1bd6343fb2e802912eaa72bd7043fa5be6e0a6edc06894c74b63 rhbk/keycloak-rhel9-operator@sha256:aadf59a1eeb8e64f2f1eea906dd1837fd144d8406b07630a3e2b0c9265c107e7 ppc64le rhbk/keycloak-rhel9@sha256:30a9118cf874444aabdf4dd8f84d44cb503f89d8432a652fbb0ba860d3815c4d rhbk/keycloak-rhel9-operator@sha256:37c7d8c5b4bd9649b3da2c0929075c6bd311361667a7eb25eb3f52927b7eca8e s390x rhbk/keycloak-rhel9@sha256:c8203365ded9864afe84f579798eefd5f4a79ee6a4e585e47fcb0d8ea3ce959f rhbk/keycloak-rhel9-operator@sha256:0024d9a0b69b61004a0d35ee25eefc443fe75ce2563b1645ec318caacc0aa23c x86_64 rhbk/keycloak-operator-bundle@sha256:06ee2f18c4218c9a095360efa2023b2080aa81e04a08363dbcb1d14de85a5d0d rhbk/keycloak-rhel9@sha256:83e1c37e7e5b268c8b516f9c13d064db4fbdcd68d25a542dec0d237665b06705 rhbk/keycloak-rhel9-operator@sha256:2eeef9cec3ee8e3cfdb1c4b7377582b4a5378f852e11872eeb74597ad9ec0615 The Red Hat security contact is secalert@redhat.com . More contact details at https://access.redhat.com/security/team/contact/ .