A flaw was found in Keycloak. A highly privileged user with `manage-clients` permission can exploit this vulnerability by injecting a hardcoded role mapper into any client. This action allows the user to bypass existing scope restrictions and inject the `realm-admin` role into generated tokens, resulting in privilege escalation and full administrative access to the realm.

A flaw was found in Keycloak. A highly privileged user with `manage-clients` permission can exploit this vulnerability by injecting a hardcoded role mapper into any client. This action allows the user to bypass existing scope restrictions and inject the `realm-admin` role into generated tokens, resulting in privilege escalation and full administrative access to the realm.

keycloak: Keycloak: Privilege escalation through hardcoded role mapper injection keycloak: org.keycloak.protocol.oidc: HTTP Parameter Pollution in OIDC redirect URI allows response parameter duplication - #GHI-604 keycloak: Keycloak: Security policy bypass in JWE-encrypted request object processing keycloak: Keycloak: Brute-force protection bypass in CIBA flow keycloak-policy-enforcer: Keycloak Policy Enforcer: Authorization bypass via incorrect URI comparison keycloak-admin-ui: keycloak-admin-ui:Admin UI extension brute-force-user endpoint bypasses FGAPv2 user view restrictions keycloak-services: keycloak-services: FGAP v2 client scope assignment bypass via ClientResource keycloak-services: keycloak: FGAP v2 parent group children endpoint bypasses per-child view permission filter keycloak-services: keycloak-services: DCR protocol mapper type-swap policy bypass allows privilege escalation keycloak-services: keycloak-services: Authorization bypass via unnormalized URI matching in PathMatcher keycloak-services: keycloak-services: LDAP entry-DN user search bypasses configured users DN boundary keycloak-services: keycloak-services: Default DCR policy allows role forgery via User Property mappers io.quarkus/quarkus-rest: io.quarkus/quarkus-vertx-http: io.quarkus.resteasy.reactive/resteasy-reactive: Quarkus REST - Unbounded multipart MIME part-header accumulation allows remote OOM denial of service keycloak-services: keycloak-services: SAML IdP-initiated broker login bypasses link…

Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Keycloak ausnutzen, um Administratorrechte zu erlangen, Sicherheitsmaßnahmen zu umgehen und vertrauliche Informationen offenzulegen.