CVE-2026-4349

MEDIUM

5.6

Descripcion

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 id_token_hint causes improper authentication. It is possible to initiate the attack remotely. The attack is considered to have high complexity. The exploitability is described as difficult. This vulnerability only affects products that are no longer supported by the maintainer.

Detalles CVE

Puntuacion CVSS v3.15.6

SeveridadMEDIUM

Vector CVSSCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Vector de ataqueNETWORK

ComplejidadHIGH

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado3/17/2026

Ultima modificacion3/25/2026

Fuentenvd

Avistamientos honeypot0

Debilidades (CWE)

CWE-287

Referencias

https://vuldb.com/?ctiid.351380(cna@vuldb.com)

https://vuldb.com/?id.351380(cna@vuldb.com)

https://vuldb.com/?submit.772071(cna@vuldb.com)

Correlaciones IOC

Sin correlaciones registradas

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