CVE-2026-107889

A flaw was found in the login theme rendering component of Keycloak. The issue occurs because the security filter responsible for cleaning user input can be bypassed, allowing a realm administrator to store malicious scripts in display fields. This could result in unauthorized JavaScript executio...

CVE-2026-107604

A flaw was found in the installation provider and client registration endpoints of the Keycloak identity management service. A realm administrator with only the read-only view-clients role can access the active primary secret of any confidential client, which should normally be restricted. This...

CVE-2026-107604

A flaw was found in the installation provider and client registration endpoints of the Keycloak identity management service. A realm administrator with only the read-only view-clients role can access the active primary secret of any confidential client, which should normally be restricted. This...

CVE-2026-17526 Keycloak-services: keycloak-services: privilege escalation via impersonation role allows takeover of realm administrator accounts

Keycloak is an open-source identity and access management solution. A vulnerability was discovered where a user with the impersonation role can impersonate a realm administrator. This allows the attacker to gain full administrative control over the realm, including the ability to manage users,...

Important: Red Hat Security Advisory: Red Hat build of Keycloak 26.4.16 Security Update

New Red Hat build of Keycloak 26.4.16 packages are available from the Customer Portal Red Hat build of Keycloak 26.4.16 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...

CVE-2026-17526

Keycloak is an open-source identity and access management solution. A vulnerability was discovered where a user with the impersonation role can impersonate a realm administrator. This allows the attacker to gain full administrative control over the realm, including the ability to manage users,...

PT-2026-93820

Name of the Vulnerable Software and Affected Versions Keycloak versions prior to 26.7.4 Description A flaw exists where a user assigned the impersonation role can impersonate a realm administrator. This privilege escalation allows an attacker to obtain full administrative control over the realm,...

CVE-2026-17526: Missing Authorization

Keycloak is an open-source identity and access management solution. A vulnerability was discovered where a user with the impersonation role can impersonate a realm administrator. This allows the attacker to gain full administrative control over the realm, including the ability to manage users,...

CVE-2026-19729

CVE-2026-19729 is an incomplete fix for CVE-2026-9083 in the key provider component of the keycloak-services library (core engine of the Red Hat Build of Keycloak). A relative path traversal remains, allowing a realm administrator to submit arbitrary filesystem paths as keystore parameters and de...

EUVD-2026-74756

A flaw was found in the key provider component of the keycloak-services library, which is the core engine for the Red Hat Build of Keycloak. The issue occurs because a previous fix for path probing was incomplete, allowing a realm administrator to still submit arbitrary filesystem paths as keysto...

CVE-2026-19729

A flaw was found in the key provider component of the keycloak-services library, which is the core engine for the Red Hat Build of Keycloak. The issue occurs because a previous fix for path probing was incomplete, allowing a realm administrator to still submit arbitrary filesystem paths as keysto...

CVE-2026-19729: Improper Limitation of a Pathname to a Restricted Directory

A flaw was found in the key provider component of the keycloak-services library, which is the core engine for the Red Hat Build of Keycloak. The issue occurs because a previous fix for path probing was incomplete, allowing a realm administrator to still submit arbitrary filesystem paths as keysto...

keycloak: Keycloak: Privilege escalation through hardcoded role mapper injection

A flaw was found in Keycloak. A highly privileged user with manage-clients permission can exploit this vulnerability by injecting a hardcoded role mapper into any client. This action allows the user to bypass existing scope restrictions and inject the realm-admin role into generated tokens,...

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...

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...

PT-2026-67138

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw in the keycloak-services component, used for managing authentication and authorization flows, allows a bypass of client access-type policy conditions. When a realm administrator...

CVE-2026-12388

A flaw was found in the Identity Provider IdP mapper component of Keycloak, which is used to manage how user information from external services is mapped to Keycloak users. An administrator with limited permissions to manage identity providers can exploit this flaw by creating a "Hardcoded Role"...

CVE-2026-12388

CVE-2026-12388 affects Keycloak’s Identity Provider (IdP) mapper component. A restricted administrator can abuse a misconfigured or specifically a Hardcoded Role mapper to assign high-privilege roles (e.g., realm-admin) to themselves or other users, bypassing security checks and gaining full cont...

CVE-2026-12388

A flaw was found in the Identity Provider IdP mapper component of Keycloak, which is used to manage how user information from external services is mapped to Keycloak users. An administrator with limited permissions to manage identity providers can exploit this flaw by creating a "Hardcoded Role"...

CVE-2026-12388 Keycloak-broker: keycloak: privilege escalation to realm administrator via improper authorization in identity provider mapper

A flaw was found in the Identity Provider IdP mapper component of Keycloak, which is used to manage how user information from external services is mapped to Keycloak users. An administrator with limited permissions to manage identity providers can exploit this flaw by creating a "Hardcoded Role"...