Keycloak: keycloak: information disclosure via saml ecp endpoint_CVE-2026-9794

5.3 / 10

MEDIUM

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

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 client's protocol type, leading to information disclosure.

Basic Information

ID CVE-2026-9794

Source redhat

Published May 28, 2026 at 03:44

Affected Product

Vendor Red Hat

Product Red Hat Build of Keycloak

CWE Classification

CWE-209

References

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    "published": "2026-05-28T03:44:20.414Z",
    "modified": "2026-05-28T03:44:20.414Z",
    "type": "cve",
    "title": "Keycloak: keycloak: information disclosure via saml ecp endpoint",
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