What is CVE-2026-9794?

CVE-2026-9794 is a medium-severity vulnerability in Red Hat Build Of Keycloak, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.3/10. Published 2026-05-28.

How severe is CVE-2026-9794?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Red Hat Build Of Keycloak

CVE-2026-9794

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…

EPSS: 0.000 (12.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry, Vendor Advisory)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2026-9794?: CVE-2026-9794 is a medium-severity vulnerability in Red Hat Build Of Keycloak, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.3/10. Published 2026-05-28.
How severe is CVE-2026-9794?: Medium severity. CVSS v3 base score is 5.3 out of 10.