CVE-2026-2366
LOWRed Hat build of Keycloak 26.4 - Authenticated Authorization Bypass in Admin API
Title source: llmDescription
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.
References (4)
Core 4
Core References
Vendor Advisory vdb-entry
x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2026-2366
Vendor Advisory issue-tracking
x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2439081
Vendor Advisory vendor-advisory
x_refsource_redhat
RHSA-2026:6477
https://access.redhat.com/errata/RHSA-2026:6477
Vendor Advisory vendor-advisory
x_refsource_redhat
RHSA-2026:6478
https://access.redhat.com/errata/RHSA-2026:6478
Scores
CVSS v3
3.1
EPSS
0.0027
EPSS Percentile
19.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-639
Status
published
Products (5)
keycloak/keycloak-admin-client
0npm
org.keycloak/keycloak-js-admin-client
0Maven
Red Hat/Red Hat build of Keycloak 26.4
26.4-14
Red Hat/Red Hat build of Keycloak 26.4
26.4.11-1
Red Hat/Red Hat build of Keycloak 26.4.11
Published
Mar 12, 2026
Tracked Since
Mar 12, 2026