A flaw was found in Keycloak. An authorization bypass vulnerability in the Keycloak Admin API allows any authenticated user, even those without administrative privileges, to enumerate the organization memberships of other users. This information disclosure occurs if the attacker knows the victim's unique identifier (UUID) and the Organizations feature is enabled.

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-r8jr-wg88-fq5c Keycloak vulnerable to authorization bypass via the Admin API
Fixes

Solution

No solution given by the vendor.


Workaround

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

History

Thu, 12 Mar 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 12 Mar 2026 11:15:00 +0000

Type Values Removed Values Added
Description No description is available for this CVE. A flaw was found in Keycloak. An authorization bypass vulnerability in the Keycloak Admin API allows any authenticated user, even those without administrative privileges, to enumerate the organization memberships of other users. This information disclosure occurs if the attacker knows the victim's unique identifier (UUID) and the Organizations feature is enabled.
Title keycloak: Keycloak: Information disclosure via authorization bypass in Admin API Keycloak: keycloak: information disclosure via authorization bypass in admin api
First Time appeared Redhat
Redhat build Keycloak
CPEs cpe:/a:redhat:build_keycloak:
Vendors & Products Redhat
Redhat build Keycloak
References

Mon, 16 Feb 2026 12:15:00 +0000

Type Values Removed Values Added
First Time appeared Keycloak
Keycloak keycloak
Vendors & Products Keycloak
Keycloak keycloak

Thu, 12 Feb 2026 00:15:00 +0000

Type Values Removed Values Added
Description No description is available for this CVE.
Title keycloak: Keycloak: Information disclosure via authorization bypass in Admin API
Weaknesses CWE-639
References
Metrics threat_severity

None

cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N'}

threat_severity

Low


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-03-12T13:14:43.160Z

Reserved: 2026-02-11T19:59:15.446Z

Link: CVE-2026-2366

cve-icon Vulnrichment

Updated: 2026-03-12T13:14:36.601Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-12T11:15:55.860

Modified: 2026-03-12T21:07:53.427

Link: CVE-2026-2366

cve-icon Redhat

Severity : Low

Publid Date: 2026-02-11T11:11:00Z

Links: CVE-2026-2366 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-02-16T12:03:31Z

Weaknesses