keycloak-services: keycloak-services: Authorization bypass via unnormalized URI matching in PathMatcher

A flaw was found in Keycloak's Authorization Services. The component responsible for matching request paths to security policies PathMatcher does not properly normalize URIs before comparison. By adding extra characters like a trailing slash or matrix parameters to a URL, an attacker can trick th...

keycloak: org.keycloak.protocol.oidc: HTTP Parameter Pollution in OIDC redirect URI allows response parameter duplication - #GHI-604

A flaw was found in Keycloak, an open-source identity and access management solution. When a client application is configured to accept broad redirect Uniform Resource Identifiers URIs, a remote attacker can manipulate the authentication process by crafting a special web address. If a user clicks...

keycloak-policy-enforcer: Keycloak Policy Enforcer: Authorization bypass via incorrect URI comparison

A flaw was found in Keycloak Policy Enforcer. This vulnerability allows any authenticated user to bypass all authorization policies, including role, scope, and User-Managed Access UMA permission checks. By including the configured access-denied page path within a request URL, either as a path...

keycloak-services: keycloak-services: FGAP v2 client scope assignment bypass via ClientResource

A flaw was found in the ClientResource component of Keycloak's admin services when Fine-Grained Admin Permissions FGAP v2 is enabled. This issue allows a delegated administrator, who should only have limited control over specific clients, to attach or remove hidden client scopes that they are not...

keycloak-services: keycloak: FGAP v2 parent group children endpoint bypasses per-child view permission filter

A flaw was found in the Fine-Grained Admin Permissions FGAP v2 implementation within Keycloak's administrative services. When FGAP v2 is enabled, the system fails to properly filter child groups based on the caller's specific permissions when requested through a parent group. This allows a...

keycloak-services: keycloak-services: LDAP entry-DN user search bypasses configured users DN boundary

A flaw was found in the LDAP storage provider of Keycloak, which is used to federate user identities from external directories. The issue occurs when a delegated administrator performs a search using a specific LDAP entry Distinguished Name DN. Due to missing validation, the system allows lookups...

keycloak: Keycloak: Security policy bypass in JWE-encrypted request object processing

A flaw was found in Keycloak. When a JSON Web Encryption JWE encrypted request object is submitted, Keycloak may incorrectly process unsigned claims if the decrypted content is raw JSON, bypassing the configured signature policy. This allows a remote attacker to submit unauthorized claims, leadin...

keycloak: Keycloak: Brute-force protection bypass in CIBA flow

A flaw was found in Keycloak, an open-source identity and access management solution. When a user account is temporarily locked due to repeated failed login attempts, an attacker with valid client credentials can exploit the Client-Initiated Backchannel Authentication CIBA flow to bypass this...

keycloak-services: keycloak-services: Default DCR policy allows role forgery via User Property mappers

A flaw was found in the Dynamic Client Registration DCR component of Keycloak, an identity and access management solution. The default DCR policy fails to properly validate the claim path for User Property mappers, allowing them to write values to sensitive internal claim locations. An attacker...

keycloak-services: keycloak-services: SAML IdP-initiated broker login bypasses link-only restriction

A flaw was found in the SAML broker component of Keycloak, which is used to manage identity federation and user authentication. The issue occurs because the IdP-initiated Single Sign-On endpoint fails to check if a provider is restricted to account linking only. This allows an attacker with contr...

keycloak-services: keycloak-services: SAML broker metadata import disables response signature validation

A flaw was found in the SAML metadata import functionality of the keycloak-services component, which is the core engine for identity brokering in Red Hat Build of Keycloak. When importing identity provider metadata that lacks specific usage attributes for keys, the system incorrectly disables...

Important: Red Hat Security Advisory: Red Hat build of Keycloak 26.4.14 Security Update

New Red Hat build of Keycloak 26.4.14 packages are available from the Customer Portal Red Hat build of Keycloak 26.4.14 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. Security...

keycloak-admin-ui: keycloak-admin-ui:Admin UI extension brute-force-user endpoint bypasses FGAPv2 user view restrictions

A vulnerability was discovered in Keycloak's Admin UI extension that allows certain administrative users to bypass security restrictions. When Fine-Grained Admin Permissions FGAPv2 are enabled, an administrator who should only be able to search for users but not view their full details can use a...

Important: Red Hat Security Advisory: Red Hat build of Keycloak 26.6.5 Security Update

New Red Hat build of Keycloak 26.6.5 packages are available from the Customer Portal Red Hat build of Keycloak 26.6.5 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. Security fixes...

keycloak-services: keycloak-services: SAML IdP-initiated broker login bypasses link-only restriction

A flaw was found in the SAML broker component of Keycloak, which is used to manage identity federation and user authentication. The issue occurs because the IdP-initiated Single Sign-On endpoint fails to check if a provider is restricted to account linking only. This allows an attacker with contr...

keycloak-services: keycloak-services: FGAP v2 client scope assignment bypass via ClientResource

A flaw was found in the ClientResource component of Keycloak's admin services when Fine-Grained Admin Permissions FGAP v2 is enabled. This issue allows a delegated administrator, who should only have limited control over specific clients, to attach or remove hidden client scopes that they are not...

keycloak: Keycloak: Security policy bypass in JWE-encrypted request object processing

A flaw was found in Keycloak. When a JSON Web Encryption JWE encrypted request object is submitted, Keycloak may incorrectly process unsigned claims if the decrypted content is raw JSON, bypassing the configured signature policy. This allows a remote attacker to submit unauthorized claims, leadin...

keycloak-services: keycloak: FGAP v2 parent group children endpoint bypasses per-child view permission filter

A flaw was found in the Fine-Grained Admin Permissions FGAP v2 implementation within Keycloak's administrative services. When FGAP v2 is enabled, the system fails to properly filter child groups based on the caller's specific permissions when requested through a parent group. This allows a...

keycloak-services: keycloak-services: Unbounded metric cardinality in user event metrics via request-controlled error text

A flaw was found in the user-event metrics recording of Keycloak. When metrics are enabled, the system records raw error messages from failed account operations as Prometheus metric labels. Because these error messages can include user-supplied input like nonexistent client IDs, an authenticated...

keycloak-services: keycloak-services: Default DCR policy allows role forgery via User Property mappers

A flaw was found in the Dynamic Client Registration DCR component of Keycloak, an identity and access management solution. The default DCR policy fails to properly validate the claim path for User Property mappers, allowing them to write values to sensitive internal claim locations. An attacker...