29 matches found
org.keycloak:keycloak-services: Keycloak: Authentication bypass via JWT algorithm confusion
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...
Open Redirect
Overview authlib is a library in building OAuth and OpenID Connect servers. Affected versions of this package are vulnerable to Open Redirect via the AuthorizationServer.getauthorizationgrant function in the OAuth 2.0 authorization endpoint. An attacker can redirect users to arbitrary external UR...
CVE-2026-45108
Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. From 2.0.0 to before 3.1.5 and 2.3.11, Himmelblau contained an authentication bypass vulnerability in the Device Authorization Grant DAG flow that allowed a user within the same Entra ID domain to obtain a local Unix...
CVE-2026-45108
Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. From 2.0.0 to before 3.1.5 and 2.3.11, Himmelblau contained an authentication bypass vulnerability in the Device Authorization Grant DAG flow that allowed a user within the same Entra ID domain to obtain a local Unix...
EUVD-2026-32633
Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. From 2.0.0 to before 3.1.5 and 2.3.11, Himmelblau contained an authentication bypass vulnerability in the Device Authorization Grant DAG flow that allowed a user within the same Entra ID domain to obtain a local Unix...
CVE-2026-45108 Himmelblau: Authentication Bypass via Cross-User Local Session Impersonation in Device Authorization Grant (DAG) Flow
Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. From 2.0.0 to before 3.1.5 and 2.3.11, Himmelblau contained an authentication bypass vulnerability in the Device Authorization Grant DAG flow that allowed a user within the same Entra ID domain to obtain a local Unix...
CVE-2026-45108
Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. From 2.0.0 to before 3.1.5 and 2.3.11, Himmelblau contained an authentication bypass vulnerability in the Device Authorization Grant DAG flow that allowed a user within the same Entra ID domain to obtain a local Unix...
CVE-2026-45108
Himmelblau (interoperability suite for Microsoft Azure Entra ID and Intune) contains an authentication bypass in the Device Authorization Grant (DAG) flow for versions 2.0.0–3.1.4 and 2.3.0–2.3.10. The root cause is in token_validate, which verified domain aliases but did not ensure the authentic...
CVE-2026-45108 Himmelblau: Authentication Bypass via Cross-User Local Session Impersonation in Device Authorization Grant (DAG) Flow
Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. From 2.0.0 to before 3.1.5 and 2.3.11, Himmelblau contained an authentication bypass vulnerability in the Device Authorization Grant DAG flow that allowed a user within the same Entra ID domain to obtain a local Unix...
org.keycloak.protocol.oidc.grants: Disabled identity providers are still accepted for JWT Authorization Grant
A flaw was found in Keycloak. A vulnerability exists in the jwt-authorization-grant flow where the server fails to verify if an Identity Provider IdP is enabled before issuing tokens. The issuer lookup mechanism lookupIdentityProviderFromIssuer retrieves the IdP configuration but does not filter...
CVE-2026-1486
A flaw was found in Keycloak. A vulnerability exists in the jwt-authorization-grant flow where the server fails to verify if an Identity Provider IdP is enabled before issuing tokens. The issuer lookup mechanism lookupIdentityProviderFromIssuer retrieves the IdP configuration but does not filter...
CVE-2026-1609
A flaw was found in Keycloak. When the JSON Web Token JWT authorization grant preview feature is enabled and a user account is disabled, Keycloak fails to validate the user’s disabled status during JWT authorization grant processing. A remote attacker with low privileges can exploit this improper...
Improper Restriction of Security Token Assignment
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 Improper Restriction of Security Token Assignment due to improper enforcement of user disabled-state checks i...
CVE-2026-1486
A flaw was found in Keycloak. A vulnerability exists in the jwt-authorization-grant flow where the server fails to verify if an Identity Provider IdP is enabled before issuing tokens. The issuer lookup mechanism lookupIdentityProviderFromIssuer retrieves the IdP configuration but does not filter...
CVE-2026-1486
CVE-2026-1486 : In Keycloak, the jwt-authorization-grant flow fails to verify whether an IdP is enabled before issuing tokens. The issuer lookup (lookupIdentityProviderFromIssuer) fetches the IdP config but does not filter for isEnabled=false. If an administrator disables an IdP (e.g., due to com...
CVE-2026-1486
A flaw was found in Keycloak. A vulnerability exists in the jwt-authorization-grant flow where the server fails to verify if an Identity Provider IdP is enabled before issuing tokens. The issuer lookup mechanism lookupIdentityProviderFromIssuer retrieves the IdP configuration but does not filter...
Keycloak 安全特征问题漏洞
Keycloak is an open-source identity and access management solution developed by Keycloak itself. There is a security vulnerability in Keycloak, which stems from the jwt-authorization-grant process. During token issuance, the server does not verify whether the identity provider is enabled. This...
CVE-2021-41135
The Cosmos-SDK is a framework for building blockchain applications in Golang. Affected versions of the SDK were vulnerable to a consensus halt due to non-deterministic behaviour in a ValidateBasic method in the x/authz module. The MsgGrant of the x/authz module contains a Grant field which includ...
Use of a Key Past its Expiration Date
Overview Affected versions of this package are vulnerable to Use of a Key Past its Expiration Date in the CreateOIDCJWTProfileClient function, which doesn't sufficiently check token expiry times for Authorization Grants. An attacker can obtain valid access tokens by using an expired JWT key...
CVE-2025-31123 Zitadel Expired JWT Keys Usable for Authorization Grants
Zitadel is open-source identity infrastructure software. A vulnerability existed where expired keys can be used to retrieve tokens. Specifically, ZITADEL fails to properly check the expiration date of the JWT key when used for Authorization Grants. This allows an attacker with an expired key to...