CVE-2026-11986 Keycloak-rest-admin-ui-ext: authorization bypass vulnerability in the admin-ui-ext bulk role-mapping-delete endpoints of keycloak

A flaw was found in the admin-ui-ext component of Keycloak, which provides extended administrative user interface capabilities. The issue occurs because certain bulk role-removal endpoints fail to perform granular permission checks when deleting role mappings. This allows a delegated administrato...

CVE-2026-11986 Keycloak-rest-admin-ui-ext: authorization bypass vulnerability in the admin-ui-ext bulk role-mapping-delete endpoints of keycloak

A flaw was found in the admin-ui-ext component of Keycloak, which provides extended administrative user interface capabilities. The issue occurs because certain bulk role-removal endpoints fail to perform granular permission checks when deleting role mappings. This allows a delegated administrato...

CVE-2026-11986

A flaw was found in the admin-ui-ext component of Keycloak, which provides extended administrative user interface capabilities. The issue occurs because certain bulk role-removal endpoints fail to perform granular permission checks when deleting role mappings. This allows a delegated administrato...

Direct Request ('Forced Browsing')

Overview Affected versions of this package are vulnerable to Direct Request 'Forced Browsing' due to missing granular authorization checks in the bulk role-mapping-delete endpoints POST /admin/realms/realm/ui-ext/role-mapping-delete/users/id and POST...

PT-2026-48695

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in the admin-ui-ext component, which extends the administrative user interface. The issue stems from a failure to perform granular permission checks within bulk role-removal...

Keycloak 安全漏洞

Keycloak is an open-source identity and access management solution developed by Keycloak. Keycloak has a security vulnerability, which stems from the fact that the endpoint for batch role removal does not perform fine-grained permission checks. This could allow with limited permissions to remove...

keycloak: Keycloak: Information disclosure due to user profile permission bypass

A flaw was found in org.keycloak.services. An administrator with delegated access to read group memberships and users can bypass user profile permissions by accessing the group members endpoint. This allows the administrator to view user attributes that are explicitly configured to be denied,...

keycloak: Keycloak: Denial of Service via malformed LDAP password policy response

A flaw was found in Keycloak. A remote attacker with high privileges, such as a realm administrator configuring a malicious Lightweight Directory Access Protocol LDAP server or an attacker compromising an upstream LDAP server, could exploit this vulnerability. By sending a malformed LDAP password...

keycloak: Keycloak: Unauthorized account access via replayed refresh tokens after cluster restart

A flaw was found in Keycloak. When revokeRefreshToken=true is enabled and persistent session storage is in use, a server restart can reset internal timing mechanisms. This allows a remote attacker, who has previously captured a user's refresh token, to replay that token even after it has been...

keycloak: Keycloak: Security restriction bypass allows unauthorized ROPC token acquisition

A flaw was found in Keycloak's Client Policies, specifically within the org.keycloak.protocol.oidc component. When certain condition providers client-type, client-roles, client-attributes, client-scopes are used to enforce security restrictions, the reject-ropc-grant executor is silently bypassed...

keycloak: Keycloak: Information disclosure via SAML ECP endpoint

A flaw was found in Keycloak. A remote, unauthenticated attacker can exploit this vulnerability by sending specially crafted SOAP requests to the SAML ECP Security Assertion Markup Language Enhanced Client or Proxy endpoint with varying client IDs. By observing distinct faultstrings in the...

keycloak: Keycloak: Privilege escalation due to oversized subject_token JWT

A flaw was found in Keycloak. An authenticated user with low privileges can exploit this vulnerability by sending an oversized subjecttoken JSON Web Token JWT to the TokenEndpoint. When the token exceeds a 4000-character limit, it is silently dropped, causing the system to fall back to client...

keycloak: Keycloak: Denial of Service via malformed Authorization header

A flaw was found in Keycloak's ClientRegistrationAuth component. A remote unauthenticated attacker can exploit this vulnerability by sending a specially crafted POST request with a malformed 'Authorization: Bearer' header to any client registration endpoint. This can lead to an...

keycloak-rhel9: Organization Data Leak After Feature Disabled in Keycloak

A flaw was found in Keycloak. An authenticated user with existing organization membership can exploit this flaw by accessing user-facing APIs, such as the account API or by requesting an OpenID Connect OIDC token with the 'organization' scope. This allows organization metadata to be disclosed in...

org.keycloak/keycloak-services: keycloak: org.keycloak.protocol.oidc: Security flaw in org.keycloak/keycloak-services

A flaw was found in Keycloak. When both realm-level and client-level notBefore revocation policies are configured, Keycloak's OpenID Connect OIDC Introspection feature fails to properly honor the realm-level policy. This allows tokens that should have been revoked to remain active, potentially...

org.keycloak.protocol.oidc.grants: org.keycloak.services.managers: Keycloak: Server-Side Request Forgery via OIDC token endpoint manipulation

A flaw was found in Keycloak. An authenticated attacker can perform Server-Side Request Forgery SSRF by manipulating the clientsessionhost parameter during refresh token requests. This occurs when a Keycloak client is configured to use the backchannel.logout.url with the application.session.host...

org.keycloak.keycloak-services: Improper Access Control on Keycloak Server when the account Account API feature is disabled

When Keycloak is started with --features-disabled=account,account-api, the Account REST API is only partially disabled. Five endpoints under the versioned path /account/v1alpha1 remain fully functional — including both read and write operations — because they lack the checkAccountApiEnabled gate...

keycloak: org.keycloak.protocol.oidc.grants.ciba: Keycloak: Information disclosure via CORS header injection due to unvalidated JWT azp claim

A flaw was found in Keycloak. A remote attacker can exploit a Cross-Origin Resource Sharing CORS header injection vulnerability in Keycloak's User-Managed Access UMA token endpoint. This flaw occurs because the azp claim from a client-supplied JSON Web Token JWT is used to set the...

Moderate: Red Hat Security Advisory: Red Hat build of Keycloak 26.6.3 Update

New Red Hat build of Keycloak 26.6.3 packages are available from the Customer Portal Red Hat build of Keycloak 26.6.3 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...

Moderate: Red Hat Security Advisory: Red Hat build of Keycloak 26.6.3 Images Update

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 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...