CVE-2026-2366

LOW

Keycloak - Auth Bypass

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 3.1
EPSS 0.0003
EPSS Percentile 9.9%
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