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VULNERABILITIES

CVE-2026-2366 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:3.1 LOWVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/errata/RHSA-2026:6477 [email protected]Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:6478 [email protected]Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-2366 [email protected]Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2439081 [email protected]ExploitIssue TrackingVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-639Authorization Bypass Through User-Controlled Key[email protected]

Affected Products

ProductVersions
redhat build of keycloak
>= 26.4, < 26.4.11

CPE

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

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-2366
NVD Published Date:
Mar 12, 2026
NVD Last Modified:
Aug 18, 2026
Source:
[email protected]
CVE-2026-2366 Details - Not Deferred