CVE-2026-37979

A flaw was found in Keycloak. This access control vulnerability in Keycloak's OpenID Connect OIDC token introspection endpoint allows a confidential client to bypass audience restrictions. An attacker-controlled client with valid credentials can retrieve sensitive token claims intended for other...

CVE-2026-37979

Keycloak CVE-2026-37979 describes an information-disclosure via the OIDC token introspection endpoint where an attacker-controlled but credentialed confidential client can bypass audience restrictions, exposing token claims intended for other resource servers. Impact is confidentiality of lightwe...

EUVD-2026-30887

A flaw was found in Keycloak. This access control vulnerability in Keycloak's OpenID Connect OIDC token introspection endpoint allows a confidential client to bypass audience restrictions. An attacker-controlled client with valid credentials can retrieve sensitive token claims intended for other...

CVE-2026-37979 Keycloak: keycloak: information disclosure via oidc token introspection endpoint audience bypass

A flaw was found in Keycloak. This access control vulnerability in Keycloak's OpenID Connect OIDC token introspection endpoint allows a confidential client to bypass audience restrictions. An attacker-controlled client with valid credentials can retrieve sensitive token claims intended for other...

CVE-2026-37979 Keycloak: keycloak: information disclosure via oidc token introspection endpoint audience bypass

A flaw was found in Keycloak. This access control vulnerability in Keycloak's OpenID Connect OIDC token introspection endpoint allows a confidential client to bypass audience restrictions. An attacker-controlled client with valid credentials can retrieve sensitive token claims intended for other...

CVE-2026-37978

A flaw was found in Keycloak. A low-privilege administrator with the 'view-clients' role can exploit this by invoking the 'evaluate-scopes' Admin API endpoints with an arbitrary user ID userId parameter. This vulnerability allows for cross-role personally identifiable information PII leakage,...

EUVD-2026-30882

A flaw was found in Keycloak. A low-privilege administrator with the 'view-clients' role can exploit this by invoking the 'evaluate-scopes' Admin API endpoints with an arbitrary user ID userId parameter. This vulnerability allows for cross-role personally identifiable information PII leakage,...

CVE-2026-37978

Keycloak CVE-2026-37978 involves an information disclosure via the evaluate-scopes Admin API. A low-privilege administrator with the 'view-clients' role can invoke evaluate-scopes using an arbitrary userId, enabling cross-role PII leakage across the realm. The vulnerability is exploitable remotel...

CVE-2026-37978 Keycloak: org.keycloak.services: keycloak: information disclosure via evaluate-scopes admin api

A flaw was found in Keycloak. A low-privilege administrator with the 'view-clients' role can exploit this by invoking the 'evaluate-scopes' Admin API endpoints with an arbitrary user ID userId parameter. This vulnerability allows for cross-role personally identifiable information PII leakage,...

CVE-2026-37982

A flaw was found in Keycloak. This authentication vulnerability allows a remote attacker to replay ExecuteActionsActionToken tokens within Keycloak's WebAuthn Web Authentication flow. By intercepting an execute-actions email link, an attacker can register their own authenticator to a victim's...

CVE-2026-37979

A flaw was found in Keycloak. This access control vulnerability in Keycloak's OpenID Connect OIDC token introspection endpoint allows a confidential client to bypass audience restrictions. An attacker-controlled client with valid credentials can retrieve sensitive token claims intended for other...

CVE-2026-7307 Keycloak: keycloak: denial of service via specially crafted saml input

A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language SAML endpoint. This malicious input can cause high CPU usage and worker thread starvation, leading to a Denial of Service DoS where the server becomes...

CVE-2026-7307 Keycloak: keycloak: denial of service via specially crafted saml input

A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language SAML endpoint. This malicious input can cause high CPU usage and worker thread starvation, leading to a Denial of Service DoS where the server becomes...

EUVD-2026-30883

A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language SAML endpoint. This malicious input can cause high CPU usage and worker thread starvation, leading to a Denial of Service DoS where the server becomes...

CVE-2026-7307

Keycloak contains a denial-of-service issue (CVE-2026-7307) where a remote, unauthenticated attacker can send a specially crafted XML input to the SAML endpoint. The crafted input triggers high CPU usage and worker-thread starvation, rendering the server unavailable. The description does not prov...

CVE-2026-7307

A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language SAML endpoint. This malicious input can cause high CPU usage and worker thread starvation, leading to a Denial of Service DoS where the server becomes...

Open Redirect

Overview org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services. Affected versions of this package are vulnerable to Open Redirect through the areWildcardsAllowed check in RedirectUtils. An attacker can bypass redirect URI...

User Impersonation

Overview org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services. Affected versions of this package are vulnerable to User Impersonation through the SessionCodeChecks logic in SessionCodeChecks.java. An attacker can reuse an...

External Control of Assumed-Immutable Web Parameter

Overview org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services. Affected versions of this package are vulnerable to External Control of Assumed-Immutable Web Parameter via the SessionCodeChecks restart flow in the login sessi...

CVE-2026-37978

A flaw was found in Keycloak. A low-privilege administrator with the 'view-clients' role can exploit this by invoking the 'evaluate-scopes' Admin API endpoints with an arbitrary user ID userId parameter. This vulnerability allows for cross-role personally identifiable information PII leakage,...