EUVD-2026-45225

A flaw was found in the keycloak-services component of Keycloak. This issue is an incomplete fix for CVE-2026-9798, where brute-force protection checks were added to the Client-Initiated Backchannel Authentication CIBA initiation handler but were omitted from the token redemption handler. This...

CVE-2026-16103

Keycloak CVE-2026-16103 affects the keycloak-services component. It describes an incomplete fix for CVE-2026-9798: brute-force protection checks were added to the CIBA initiation path but omitted from the token redemption path. As a result, an attacker with valid client credentials can obtain acc...

CVE-2026-16103 Keycloak-services: keycloak-services: incomplete fix for ciba brute-force lockout bypass at token redemption

A flaw was found in the keycloak-services component of Keycloak. This issue is an incomplete fix for CVE-2026-9798, where brute-force protection checks were added to the Client-Initiated Backchannel Authentication CIBA initiation handler but were omitted from the token redemption handler. This...

CVE-2026-16103 Keycloak-services: keycloak-services: incomplete fix for ciba brute-force lockout bypass at token redemption

A flaw was found in the keycloak-services component of Keycloak. This issue is an incomplete fix for CVE-2026-9798, where brute-force protection checks were added to the Client-Initiated Backchannel Authentication CIBA initiation handler but were omitted from the token redemption handler. This...

CVE-2026-16106

CVE-2026-16106 refers to Keycloak, specifically the admin REST API. The issue arises when a delegated administrator attempts to remove a child role from a composite role, bypassing authorization checks. This can allow a user with limited admin permissions to remove privileged roles they are not a...

CVE-2026-16106 Keycloak-services: keycloak-services: incorrect authorization in admin role-composite deletion allows delegated admin to remove privileged child roles

A flaw was found in the admin REST API of Keycloak, a solution for identity and access management. The issue occurs when a delegated administrator attempts to remove a child role from a composite role. Due to missing authorization checks, an attacker with limited administrative permissions can...

EUVD-2026-45224

A flaw was found in the admin REST API of Keycloak, a solution for identity and access management. The issue occurs when a delegated administrator attempts to remove a child role from a composite role. Due to missing authorization checks, an attacker with limited administrative permissions can...

CVE-2026-16106 Keycloak-services: keycloak-services: incorrect authorization in admin role-composite deletion allows delegated admin to remove privileged child roles

A flaw was found in the admin REST API of Keycloak, a solution for identity and access management. The issue occurs when a delegated administrator attempts to remove a child role from a composite role. Due to missing authorization checks, an attacker with limited administrative permissions can...

CVE-2026-16108 Keycloak-services: keycloak-services: realm default-group reads disclose hidden groups under fgap v2

A flaw was found in the default-groups REST endpoint and realm representation of Keycloak. This component is responsible for managing groups that are automatically assigned to new users within a realm. The issue allows a delegated administrator with realm-viewing permissions to see the names and...

EUVD-2026-45223

A flaw was found in the default-groups REST endpoint and realm representation of Keycloak. This component is responsible for managing groups that are automatically assigned to new users within a realm. The issue allows a delegated administrator with realm-viewing permissions to see the names and...

CVE-2026-16108

The CVE-2026-16108 issue affects Keycloak’s default-groups REST endpoint and realm representation. It allows a delegated administrator with realm-viewing permissions to disclose the names and identifiers of hidden default groups that they should not be able to view, potentially exposing internal ...

CVE-2026-16108

A flaw was found in the default-groups REST endpoint and realm representation of Keycloak. This component is responsible for managing groups that are automatically assigned to new users within a realm. The issue allows a delegated administrator with realm-viewing permissions to see the names and...

CVE-2026-16106

A flaw was found in the admin REST API of Keycloak, a solution for identity and access management. The issue occurs when a delegated administrator attempts to remove a child role from a composite role. Due to missing authorization checks, an attacker with limited administrative permissions can...

CVE-2026-16108

A flaw was found in the default-groups REST endpoint and realm representation of Keycloak. This component is responsible for managing groups that are automatically assigned to new users within a realm. The issue allows a delegated administrator with realm-viewing permissions to see the names and...

CVE-2026-16093

Keycloak provides a mechanism called Client Policies to enforce security requirements on clients, such as requiring them to use signed JWTs for authentication. A flaw was discovered where this enforcement can be bypassed. An attacker with valid client credentials can provide a fake, unsigned...

CVE-2026-16093

CVE-2026-16093 affects Keycloak’s Client Policies by allowing bypass of the requirement to use signed JWTs. A flaw lets an attacker with valid client credentials submit a fake, unsigned assertion header, making the system think policy requirements are met and enabling authentication with simpler ...

EUVD-2026-45222

Keycloak provides a mechanism called Client Policies to enforce security requirements on clients, such as requiring them to use signed JWTs for authentication. A flaw was discovered where this enforcement can be bypassed. An attacker with valid client credentials can provide a fake, unsigned...

CVE-2026-16093 Keycloak-services: keycloak-services: required signed-jwt assertion policy can be bypassed with unsigned assertion headers

Keycloak provides a mechanism called Client Policies to enforce security requirements on clients, such as requiring them to use signed JWTs for authentication. A flaw was discovered where this enforcement can be bypassed. An attacker with valid client credentials can provide a fake, unsigned...

CVE-2026-16089

A flaw was found in the keycloak-services component of Red Hat Build of Keycloak. The issue occurs because OAuth 2.0 authorization codes are not properly bound to the client that originally requested them. An attacker who can intercept an authorization code can modify it to be redeemed by their o...

CVE-2026-16072

A flaw was found in the organization management component of Keycloak. A delegated administrator with permission to manage organizations can create an invitation for a non-existent email address and then retrieve the secret registration link directly through the application programming interface...