PT-2026-60770

Name of the Vulnerable Software and Affected Versions Red Hat Build of Keycloak affected versions not specified Description A flaw in the keycloak-services component occurs because OAuth 2.0 authorization codes are not properly bound to the client that originally requested them. This allows an...

CVE-2026-16108: Insufficient Granularity of Access Control

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: Reliance on Untrusted Inputs in a Security Decision

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...

PT-2026-60801

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in the admin REST API of Keycloak, an identity and access management solution. The issue occurs when a delegated administrator attempts to remove a child role from a composite...

PT-2026-60741

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in the keycloak-services component responsible for identity provider management. The issue occurs when a delegated administrator updates an OIDC identity provider using a maske...

PT-2026-60798

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in the Client Policies mechanism, which is designed to enforce security requirements on clients, such as the mandatory use of signed JSON Web Tokens JWTs for authentication. An...

PT-2026-60799

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in the keycloak-services component. The token redemption handler for Client-Initiated Backchannel Authentication CIBA lacks brute-force protection checks. This allows an attack...

CVE-2026-16106: Insufficient Granularity of Access Control

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-2026-15943: Improper Validation of Consistency within Input

A flaw was found in the Keycloak keycloak-services component, which handles the management of identity providers. The issue occurs when a delegated administrator updates an OIDC identity provider using a masked client secret sentinel value. Due to improper validation, Keycloak reuses the existing...

PT-2026-60800

Name of the Vulnerable Software and Affected Versions Red Hat Build of Keycloak affected versions not specified Description A flaw exists in the authentication configuration endpoint of the keycloak-services component, the core engine for Red Hat Build of Keycloak identity and access management...

PT-2026-60802

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in the realm representation and the 'default-groups' REST endpoint, which manages groups automatically assigned to new users within a realm. A delegated administrator with...

CVE-2026-16089: External Control of Assumed-Immutable Web Parameter

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-2026-16103: Authentication Bypass by Primary Weakness

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-2026-16104: Improper Removal of Sensitive Information Before Storage or Transfer

A flaw was found in the authentication configuration endpoint of the keycloak-services component, which is the core engine for Red Hat Build of Keycloak identity and access management. The issue occurs because the system fails to mask sensitive configuration values, such as reCAPTCHA secret keys,...

PT-2026-60769

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw in the organization management component allows a delegated administrator with organization management permissions to bypass security boundaries. The administrator can create an...

CVE-2026-16072: Exposure of Sensitive System Information to an Unauthorized Control Sphere

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...

CVE-2026-15945

A flaw was found in the group search functionality of the Keycloak server's administrative API. When Fine-Grained Admin Permissions FGAP v2 is enabled, a delegated administrator can bypass access restrictions to view parent groups they are not authorized to see. By searching for a child group the...

CVE-2026-15945 Keycloak-services: keycloak-services: group hierarchy search discloses hidden parent groups under fgap v2

A flaw was found in the group search functionality of the Keycloak server's administrative API. When Fine-Grained Admin Permissions FGAP v2 is enabled, a delegated administrator can bypass access restrictions to view parent groups they are not authorized to see. By searching for a child group the...

EUVD-2026-44990

A flaw was found in the group search functionality of the Keycloak server's administrative API. When Fine-Grained Admin Permissions FGAP v2 is enabled, a delegated administrator can bypass access restrictions to view parent groups they are not authorized to see. By searching for a child group the...

CVE-2026-15945

A flaw was found in the group search functionality of the Keycloak server's administrative API. When Fine-Grained Admin Permissions FGAP v2 is enabled, a delegated administrator can bypass access restrictions to view parent groups they are not authorized to see. By searching for a child group the...