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CVE-2026-9800 Details

Description

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-denied page path within a request URL, either as a path segment or a query parameter, an attacker can gain unauthorized access to protected resources.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: redhat-SADPCVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://access.redhat.com/errata/RHSA-2026:30049 redhat-SADPVendor Advisory
https://access.redhat.com/errata/RHSA-2026:30050 redhat-SADPVendor Advisory
https://access.redhat.com/errata/RHSA-2026:30083 redhat-SADPVendor Advisory
https://access.redhat.com/errata/RHSA-2026:30084 redhat-SADPVendor Advisory
https://access.redhat.com/errata/RHSA-2026:50846 redhat-SADP

see all 19 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-1025Comparison Using Wrong Factorsredhat-SADP
CWE-1025Comparison Using Wrong Factors[email protected]

Affected Products

ProductVersions
redhat build of keycloak
>= 26.4, < 26.4.13
>= 26.6, <= 26.6.4

CPE

  • cpe:2.3:a:redhat:build_of_keycloak:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

19 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-9800
NVD Published Date:
Jun 25, 2026
NVD Last Modified:
Sep 14, 2026
Source:
[email protected]
CVE-2026-9800 Details - Not Deferred