CVE-2026-4349

A vulnerability was determined in Duende IdentityServer4 up to 4.1.2. The affected element is an unknown function of the file /connect/authorize of the component Token Renewal Endpoint. This manipulation of the argument idtokenhint causes improper authentication. It is possible to initiate the...

EUVD-2026-12659

A vulnerability was determined in Duende IdentityServer 4. The affected element is an unknown function of the file /connect/authorize of the component Token Renewal Endpoint. This manipulation of the argument idtokenhint causes improper authentication. It is possible to initiate the attack...

CVE-2026-4349

A vulnerability was determined in Duende IdentityServer4 up to 4.1.2. The affected element is an unknown function of the file /connect/authorize of the component Token Renewal Endpoint. This manipulation of the argument idtokenhint causes improper authentication. It is possible to initiate the...

CVE-2026-4349

CVE-2026-4349 affects Duende IdentityServer 4; vulnerable component is the Token Renewal Endpoint under /connect/authorize, where manipulation of the id_token_hint argument leads to improper authentication. The issue is described as remote-exploitable with high attack complexity, but the provided...

CVE-2026-4349: Improper Authentication

A vulnerability was determined in Duende IdentityServer4 up to 4.1.2. The affected element is an unknown function of the file /connect/authorize of the component Token Renewal Endpoint. This manipulation of the argument idtokenhint causes improper authentication. It is possible to initiate the...

Duende IdentityServer 授权问题漏洞

Duende IdentityServer is an open-source framework developed by Duende for ASP.NET Core, which adheres to standard OpenID Connect and OAuth 2.x protocols. Duende IdentityServer has a vulnerability related to authorization. This vulnerability stems from incorrect handling of the parameter idtokenhi...

PT-2026-25949

A vulnerability was determined in Duende IdentityServer 4. The affected element is an unknown function of the file /connect/authorize of the component Token Renewal Endpoint. This manipulation of the argument id token hint causes improper authentication. It is possible to initiate the attack...

CVE-2025-3930

Strapi is affected by CVE-2025-3930 due to improper JWT handling: after logout or account deactivation, tokens are not invalidated, enabling an attacker to reuse stolen or intercepted tokens until their expiry. The presence of the publicly accessible /admin/renew-token endpoint further enables ne...