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 Duende IdentityServer4 Token Renewal Endpoint authorize 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...

CVE-2026-4349 Duende IdentityServer4 Token Renewal Endpoint authorize 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...

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...

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...