Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-9vm7-v8wj-3fqw. This link is maintained to preserve external references.

Original Description

A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt" which could be used to bypass the security patch implemented to address CVE-2023-6134.