GHSA-r8jr-wg88-fq5c
Keycloak vulnerable to authorization bypass via the Admin API
At a glance
- Published
- Updated
- CVE
- CVE-2026-2366
- Aliases
- BIT-keycloak-2026-2366
- CVSS_V3
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
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.
Affected packages
| Package | Versions |
|---|---|
| npm · @keycloak/keycloak-admin-client | introduced 0, last affected 26.5.5 |
| Maven · org.keycloak:keycloak-js-admin-client | introduced 0, last affected 26.5.5 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-2366 ADVISORY
- https://github.com/keycloak/keycloak/issues/47062 WEB
- https://access.redhat.com/errata/RHSA-2026:6477 WEB
- https://access.redhat.com/errata/RHSA-2026:6478 WEB
- https://access.redhat.com/security/cve/CVE-2026-2366 WEB
- https://bugzilla.redhat.com/show_bug.cgi?id=2439081 WEB
- https://github.com/keycloak/keycloak PACKAGE
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |