https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-09T03:23:56.262697+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cve-2026-4349 CVE-2026-4349 — Duende IdentityServer4 Token Renewal Endpoint authorize improper authentication 2026-10-09T03:23:56.278485+00:00

Affected: Duende IdentityServer4

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.