CVE-2026-2366
Low
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.
SeverityLow
CVSS3.1
Exploit probability—
Product
Redhat Build Of Keycloak
PublishedMar 12, 2026
First seenMar 12, 2026
How to fix
Update
- redhat build_of_keycloak26.4.11 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| redhat build_of_keycloak | 26.4 ≤ v < 26.4.11 | 26.4.11 |
| @keycloak/keycloak-admin-clientnpm | v ≤ 26.5.5 | — |
| org.keycloak:keycloak-js-admin-clientMaven | v ≤ 26.5.5 | — |
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