Security Advisory

CVE-2026-9794

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-05-28 03:44:20

Last updated 2026-06-10 21:22:01

Assigner redhat

State PUBLISHED

Description

A flaw was found in Keycloak. A remote, unauthenticated attacker can exploit this vulnerability by sending specially crafted SOAP requests to the SAML ECP (Security Assertion Markup Language Enhanced Client or Proxy) endpoint with varying client IDs. By observing distinct faultstrings in the responses, the attacker can determine the clients protocol type, leading to information disclosure.

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