Keycloak <= 12.0.1 - request_uri Blind Server-Side Request Forgery (SSRF)

Keycloak 12.0.1 and below allows an attacker to force the server to request an unverified URL using the OIDC parameter requesturi. This allows an attacker to execute a server-side request forgery SSRF attack. id: CVE-2020-10770 info: name: Keycloak = 12.0.1 - requesturi Blind Server-Side Request...

Keycloak 10.0.0 - 18.0.0 - Cross-Site Scripting

Keycloak 10.0.0 to 18.0.0 contains a cross-site scripting vulnerability via the client-registrations endpoint. On a POST request, the application does not sanitize an unknown attribute name before including it in the error response with a 'Content-Type' of text/hml. Once reflected, the response i...

Keycloak - SAML Core Package Signature Validation Flaw

A flaw exists in the SAML signature validation method within the Keycloak XMLSignatureUtil class. The method incorrectly determines whether a SAML signature is for the full document or only for specific assertions based on the position of the signature in the XML document, rather than the Referen...

Keycloak - Open Redirect

A misconfiguration flaw was found in Keycloak. This issue can allow an attacker to redirect users to an arbitrary URL if a 'Valid Redirect URI' is set to http://localhost or http://127.0.0.1, enabling sensitive information such as authorization codes to be exposed to the attacker, potentially...

Keycloak < 24.0.5 - Broken Access Control

A flaw was found in Keycloak. Certain endpoints in Keycloak's admin REST API allow low-privilege users to access administrative functionalities. This flaw allows users to perform actions reserved for administrators, potentially leading to data breaches or system compromise. id: CVE-2024-3656 info...

KeyCloak - Information Exposure

A flaw was found in keycloak in versions prior to 13.0.0. The client registration endpoint allows fetching information about PUBLIC clients like client secret without authentication which could be an issue if the same PUBLIC client changed to CONFIDENTIAL later. The highest threat from this...

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-2026-16093

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-2026-16104

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,...

CVE-2026-16103

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...

EUVD-2026-45226

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,...

CVE-2026-16104

CVE-2026-16104 affects the authentication configuration endpoint in the Keycloak services used by Red Hat Build of Keycloak. The underlying issue is that the system does not mask sensitive configuration values (e.g., reCAPTCHA secrets) when requested by administrators with view-only permissions, ...

CVE-2026-16104 Keycloak-services: keycloak-services: authenticator config endpoint exposes raw recaptcha secrets to view-only admins

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,...

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...

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-2026-16106 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...