CVE-2026-4636

A flaw was found in Keycloak. An authenticated user with the umaprotection role can bypass User-Managed Access UMA policy validation. This allows the attacker to include resource identifiers owned by other users in a policy creation request, even if the URL path specifies an attacker-owned...

Keycloak: Missing Role Enforcement on UMA 2.0 Permission Ticket Endpoint Leads to Information Disclosure

A flaw was found in Keycloak. The User-Managed Access UMA 2.0 Protection API endpoint for permission tickets fails to enforce the umaprotection role check. This allows any authenticated user with a token issued for a resource server client, even without the umaprotection role, to enumerate all...

EUVD-2026-16309

A flaw was found in Keycloak. The User-Managed Access UMA 2.0 Protection API endpoint for permission tickets fails to enforce the umaprotection role check. This allows any authenticated user with a token issued for a resource server client, even without the umaprotection role, to enumerate all...

CVE-2026-3190

A flaw was found in Keycloak. The User-Managed Access UMA 2.0 Protection API endpoint for permission tickets fails to enforce the umaprotection role check. This allows any authenticated user with a token issued for a resource server client, even without the umaprotection role, to enumerate all...

CVE-2026-3190

CVE-2026-3190 affects Keycloak via the UMA 2.0 Protection API endpoint for permission tickets, where the required uma_protection role check is not enforced. As a result, any authenticated user with a token issued for a resource server client can enumerate all permission tickets, leading to partia...

PT-2026-28428

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in Keycloak where the User-Managed Access UMA 2.0 Protection API endpoint for permission tickets does not properly enforce the uma protection role check. This allows any...

CVE-2026-3190: Improper Handling of Insufficient Permissions or Privileges

A flaw was found in Keycloak. The User-Managed Access UMA 2.0 Protection API endpoint for permission tickets fails to enforce the umaprotection role check. This allows any authenticated user with a token issued for a resource server client, even without the umaprotection role, to enumerate all...

Keycloak has Improper Access Control that allows attackers with valid credentials to bypass the allowRemoteResourceManagement=false

A flaw was found in Keycloak. An improper Access Control vulnerability in Keycloak’s User-Managed Access UMA resourceset endpoint allows attackers with valid credentials to bypass the allowRemoteResourceManagement=false restriction. This occurs due to incomplete enforcement of access control chec...

EUVD-2026-14389

A flaw was found in Keycloak. An improper Access Control vulnerability in Keycloak’s User-Managed Access UMA resourceset endpoint allows attackers with valid credentials to bypass the allowRemoteResourceManagement=false restriction. This occurs due to incomplete enforcement of access control chec...

CVE-2026-4628

A flaw was found in Keycloak. An improper Access Control vulnerability in Keycloak’s User-Managed Access UMA resourceset endpoint allows attackers with valid credentials to bypass the allowRemoteResourceManagement=false restriction. This occurs due to incomplete enforcement of access control chec...

CVE-2026-4628 Keycloak: org.keycloak.authorization: keycloak: unauthorized resource modification due to improper access control

A flaw was found in Keycloak. An improper Access Control vulnerability in Keycloak’s User-Managed Access UMA resourceset endpoint allows attackers with valid credentials to bypass the allowRemoteResourceManagement=false restriction. This occurs due to incomplete enforcement of access control chec...

CVE-2026-4628 Keycloak: org.keycloak.authorization: keycloak: unauthorized resource modification due to improper access control

A flaw was found in Keycloak. An improper Access Control vulnerability in Keycloak’s User-Managed Access UMA resourceset endpoint allows attackers with valid credentials to bypass the allowRemoteResourceManagement=false restriction. This occurs due to incomplete enforcement of access control chec...

CVE-2026-4628

Keycloak contains an improper access control flaw in the UMA resource_set endpoint. The vulnerability arises from incomplete enforcement of access checks on PUT operations, allowing authenticated users to bypass allowRemoteResourceManagement=false and modify protected resources, compromising data...

CVE-2026-4628

A flaw was found in Keycloak. An improper Access Control vulnerability in Keycloak’s User-Managed Access UMA resourceset endpoint allows attackers with valid credentials to bypass the allowRemoteResourceManagement=false restriction. This occurs due to incomplete enforcement of access control chec...

Red Hat build of Keycloak 访问控制错误漏洞

Red Hat Build of Keycloak is a single-sign-on web application developed by the American company Red Hat. There is an access control vulnerability in Red Hat Build of Keycloak. This vulnerability stems from improper access control at the endpoints of User-Managed Access resources, which may allow...

PT-2026-29732

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in Keycloak where an authenticated user possessing the uma protection role can circumvent User-Managed Access UMA policy validation. This allows an attacker to include resource...

PT-2026-27067

A flaw was found in Keycloak. An improper Access Control vulnerability in Keycloak’s User-Managed Access UMA resource set endpoint allows attackers with valid credentials to bypass the allowRemoteResourceManagement=false restriction. This occurs due to incomplete enforcement of access control...

CVE-2026-4628: Improper Access Control

A flaw was found in Keycloak. An improper Access Control vulnerability in Keycloak’s User-Managed Access UMA resourceset endpoint allows attackers with valid credentials to bypass the allowRemoteResourceManagement=false restriction. This occurs due to incomplete enforcement of access control chec...

keycloak: Incorrect ownership checks in /uma-policy/

A flaw was found in Keycloak. A significant Broken Access Control vulnerability exists in the UserManagedPermissionService UMA Protection API. When updating or deleting a UMA policy associated with multiple resources, the authorization check only verifies the caller's ownership against the first...

CVE-2025-14778 Keycloak: incorrect ownership checks in /uma-policy/

A flaw was found in Keycloak. A significant Broken Access Control vulnerability exists in the UserManagedPermissionService UMA Protection API. When updating or deleting a UMA policy associated with multiple resources, the authorization check only verifies the caller's ownership against the first...