CVE-2026-4349

MEDIUM

5.6

Beschreibung

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.

CVE Details

CVSS v3.1 Bewertung5.6

SchweregradMEDIUM

CVSS VektorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

AngriffsvektorNETWORK

KomplexitatHIGH

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht3/17/2026

Zuletzt geandert3/25/2026

Quellenvd

Honeypot-Sichtungen0

Schwachen (CWE)

CWE-287

Referenzen

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

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

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

IOC Korrelationen

Keine Korrelationen erfasst

This product uses data from the NVD API but is not endorsed or certified by the NVD.