4265 matches found
EUVD-2026-12688
Keycloak: Unauthorized access via improper validation of encrypted SAML assertions...
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...
EUVD-2026-32710
Keycloak has privilege escalation via improper scope mapping enforcement...
CVE-2026-4629
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-2026-14209
A vulnerability was discovered in Keycloak's Admin UI extension that allows certain administrative users to bypass security restrictions. When Fine-Grained Admin Permissions FGAPv2 are enabled, an administrator who should only be able to search for users but not view their full details can use a...
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
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-2026-4629 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-2026-12388 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"...
EUVD-2026-40300
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,...
EUVD-2026-40301
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-2026-14209 Keycloak-admin-ui: keycloak-admin-ui: keycloak: admin ui extension brute-force-user endpoint bypasses fgapv2 user view restrictions
A vulnerability was discovered in Keycloak's Admin UI extension that allows certain administrative users to bypass security restrictions. When Fine-Grained Admin Permissions FGAPv2 are enabled, an administrator who should only be able to search for users but not view their full details can use a...
EUVD-2026-40299
A vulnerability was discovered in Keycloak's Admin UI extension that allows certain administrative users to bypass security restrictions. When Fine-Grained Admin Permissions FGAPv2 are enabled, an administrator who should only be able to search for users but not view their full details can use a...
CVE-2026-14209
Technical details (affected product/version, root cause, impact, fixes) are not publicly available in the provided Connected documents. Monitor for updates.
CVE-2026-14209
A vulnerability was discovered in Keycloak's Admin UI extension that allows certain administrative users to bypass security restrictions. When Fine-Grained Admin Permissions FGAPv2 are enabled, an administrator who should only be able to search for users but not view their full details can use a...
EUVD-2026-39567
A flaw was found in Keycloak. This JWT algorithm confusion vulnerability in the JWT Authorization Grant flow allows an attacker with valid client credentials to bypass signature verification. By forging an assertion, the attacker can create unauthorized access tokens. This enables the attacker to...
CVE-2026-11800
A flaw was found in Keycloak. This JWT algorithm confusion vulnerability in the JWT Authorization Grant flow allows an attacker with valid client credentials to bypass signature verification. By forging an assertion, the attacker can create unauthorized access tokens. This enables the attacker to...
CVE-2026-11800
CVE-2026-11800 concerns Keycloak services and describes a JWT algorithm confusion vulnerability in the JWT Authorization Grant flow. The issue allows an attacker with valid client credentials to bypass signature verification by forging an assertion, enabling creation of unauthorized access tokens...
CVE-2026-11800
A flaw was found in Keycloak. This JWT algorithm confusion vulnerability in the JWT Authorization Grant flow allows an attacker with valid client credentials to bypass signature verification. By forging an assertion, the attacker can create unauthorized access tokens. This enables the attacker to...