CVE-2026-2366

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.

CVSS v3 3.1 LOW

3.1^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.6 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/errata/RHSA-2026:6477	Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:6478	Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-2366	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2439081	Exploit Issue Tracking Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2026-03-12 11:15

Updated : 2026-08-18 16:38

NVD link : CVE-2026-2366

Mitre link : CVE-2026-2366

CVE.ORG link : CVE-2026-2366

JSON object : View

Products Affected

redhat

build_of_keycloak

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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