CVE-2026-18569 Keycloak-services: keycloak-services: oidc backchannel logout accepts unsigned forged logout tokens

A flaw was found in the backchannel logout endpoint of the keycloak-services component, which is part of the Red Hat Build of Keycloak. This component handles authentication and session management for applications. The issue occurs when an OIDC identity provider is configured to skip signature...

CVE-2026-18569

A flaw was found in the backchannel logout endpoint of the keycloak-services component, which is part of the Red Hat Build of Keycloak. This component handles authentication and session management for applications. The issue occurs when an OIDC identity provider is configured to skip signature...

EUVD-2026-52575

A flaw was found in the backchannel logout endpoint of the keycloak-services component, which is part of the Red Hat Build of Keycloak. This component handles authentication and session management for applications. The issue occurs when an OIDC identity provider is configured to skip signature...

CVE-2026-18569

A flaw was found in the backchannel logout endpoint of the keycloak-services component, which is part of the Red Hat Build of Keycloak. This component handles authentication and session management for applications. The issue occurs when an OIDC identity provider is configured to skip signature...

PT-2026-67641

A flaw was found in the backchannel logout endpoint of the keycloak-services component, which is part of the Red Hat Build of Keycloak. This component handles authentication and session management for applications. The issue occurs when an OIDC identity provider is configured to skip signature...

CVE-2026-18573

A flaw was found in the keycloak-services component of Keycloak, which is used for managing authentication and authorization flows. The issue occurs when a realm administrator configures client policies to enforce specific authentication requirements on confidential clients. Due to improper...

CVE-2026-18571

A flaw was found in the user creation component of Keycloak when Fine-Grained Admin Permissions V2 FGAP V2 is enabled. This issue allows a sub-administrator with permission to create users to add those users to any group, even groups the sub-administrator is not authorized to manage. This could...

CVE-2026-18572

Keycloak provides authorization services that allow administrators to restrict access to resources based on time policies for example, only allowing access during business hours. A flaw was discovered where a user can include a fake time value in their authorization request that overrides the...

CVE-2026-18570

A flaw was found in the full-scope-disabled client-policy executor within the keycloak-services component. This component is responsible for enforcing security policies during client registration and configuration in Red Hat Build of Keycloak. The issue occurs because the executor only validates...

CVE-2026-18573 Keycloak-services: keycloak-services: client access-type policy condition bypass during client update

A flaw was found in the keycloak-services component of Keycloak, which is used for managing authentication and authorization flows. The issue occurs when a realm administrator configures client policies to enforce specific authentication requirements on confidential clients. Due to improper...

EUVD-2026-51927

A flaw was found in the keycloak-services component of Keycloak, which is used for managing authentication and authorization flows. The issue occurs when a realm administrator configures client policies to enforce specific authentication requirements on confidential clients. Due to improper...

CVE-2026-18573

Summary: The CVE-2026-18573 affects the keycloak-services component of Keycloak. The root cause is improper evaluation of client state during a realm update, allowing a user with client management permissions to bypass client policies by first creating a public client and then upgrading it to a c...

CVE-2026-18573

A flaw was found in the keycloak-services component of Keycloak, which is used for managing authentication and authorization flows. The issue occurs when a realm administrator configures client policies to enforce specific authentication requirements on confidential clients. Due to improper...

CVE-2026-18573 Keycloak-services: keycloak-services: client access-type policy condition bypass during client update

A flaw was found in the keycloak-services component of Keycloak, which is used for managing authentication and authorization flows. The issue occurs when a realm administrator configures client policies to enforce specific authentication requirements on confidential clients. Due to improper...

CVE-2026-18573

A flaw was found in the keycloak-services component of Keycloak, which is used for managing authentication and authorization flows. The issue occurs when a realm administrator configures client policies to enforce specific authentication requirements on confidential clients. Due to improper...

CVE-2026-18572

Keycloak provides authorization services that allow administrators to restrict access to resources based on time policies for example, only allowing access during business hours. A flaw was discovered where a user can include a fake time value in their authorization request that overrides the...

CVE-2026-18572

Keycloak is affected by a vulnerability in its time-based access control. A flaw allows a user to include a fake time value in an authorization request, which overrides the actual server time and bypasses time-based restrictions, potentially granting access to protected resources outside allowed ...

CVE-2026-18572 Keycloak-services: keycloak-services: uma claim token can override authorization time-policy evaluation attributes

Keycloak provides authorization services that allow administrators to restrict access to resources based on time policies for example, only allowing access during business hours. A flaw was discovered where a user can include a fake time value in their authorization request that overrides the...

EUVD-2026-51926

Keycloak provides authorization services that allow administrators to restrict access to resources based on time policies for example, only allowing access during business hours. A flaw was discovered where a user can include a fake time value in their authorization request that overrides the...

CVE-2026-18571

CVE-2026-18571 affects Keycloak’s user creation flow when Fine-Grained Admin Permissions V2 (FGAP V2) is enabled. The flaw lets a sub-administrator with permission to create users add those users to any group, including groups the administrator isn’t authorized to manage, potentially enabling una...