What is CVE-2026-9800?

CVE-2026-9800 is a high-severity vulnerability in Red Hat Build Of Keycloak, classified under CWE-1025. CVSS score: 8.1/10. Published 2026-06-25.

How severe is CVE-2026-9800?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Red Hat Build Of Keycloak

CVE-2026-9800

A flaw was found in Keycloak Policy Enforcer. This vulnerability allows any authenticated user to bypass all authorization policies, including role, scope, and User-Managed Access (UMA) permission checks. By including the configured access…

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Red Hat Build Of Keycloak
Red Hat Build Of Keycloak 26.6 — versions 26.6-8, 26.6.4-2
Red Hat Build Of Keycloak 26.6.4

Weakness classification (CWE)

CWE-1025

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)

Frequently asked questions

What is CVE-2026-9800?: CVE-2026-9800 is a high-severity vulnerability in Red Hat Build Of Keycloak, classified under CWE-1025. CVSS score: 8.1/10. Published 2026-06-25.
How severe is CVE-2026-9800?: High severity. CVSS v3 base score is 8.1 out of 10.