---
id: CVE-2026-19688
title: 'Keycloak-services: keycloak-services: admin api missing audience check'
summary: >-
  A flaw was found in the Admin REST API of Keycloak, an identity and access
  management solution. The Admin API fails to verify the intended audience of
  bearer tokens during authentication. This issue allows an attacker who
  operates a clie…
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-287
vendor: Red Hat
product: keycloak-services
affected:
  - keycloak-services (all versions)
  - rhbk-openshift-rhel9/rhbk-openshift-rhel9 (all versions)
  - keycloak-services
published: '2026-11-06'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T06:02:54.129Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-19688'
references:
  - url: 'https://access.redhat.com/security/cve/CVE-2026-19688'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2514534'
    label: RHBZ#2514534
tags:
  - cve.org
ingestedAt: '2026-11-06T06:46:27.268Z'
---

## Overview

A flaw was found in the Admin REST API of Keycloak, an identity and access management solution. The Admin API fails to verify the intended audience of bearer tokens during authentication. This issue allows an attacker who operates a client within a realm to capture an administrator's access token and reuse it to perform unauthorized administrative actions, potentially leading to full realm compromise.

## Affected

- `keycloak-services (all versions)`
- `rhbk-openshift-rhel9/rhbk-openshift-rhel9 (all versions)`
- `keycloak-services`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.