GHSA-xh32-c9wx-phrp
Keycloak: Information disclosure of disabled user attributes via administrative endpoint
At a glance
- Published
- Updated
- CVE
- CVE-2026-3911
- Aliases
- BIT-keycloak-2026-3911
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Description
A flaw was found in Keycloak. An authenticated user with the view-users role could exploit a vulnerability in the UserResource component. By accessing a specific administrative endpoint, this user could improperly retrieve user attributes that were configured to be hidden. This unauthorized information disclosure could expose sensitive user data.
Affected packages
| Package | Versions |
|---|---|
| Maven · org.keycloak:keycloak-services | introduced 0, last affected 26.5.5 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-3911 ADVISORY
- https://github.com/keycloak/keycloak/issues/46922 WEB
- https://github.com/keycloak/keycloak/pull/46923 WEB
- https://github.com/keycloak/keycloak/commit/215bc1e27230f2a66670ed70262248b5f5254eb9 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-2026-3911 WEB
- https://bugzilla.redhat.com/show_bug.cgi?id=2446392 WEB
- https://github.com/keycloak/keycloak PACKAGE
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |