GitHub Advisoryadvisory · Maven
GHSA-xh32-c9wx-phrp Keycloak: Information disclosure of disabled user attributes via administrative endpoint
LOW
Official page ↗
- Aliases
- CVE-2026-3911
- Ecosystem
- Maven
- Packages
- org.keycloak:keycloak-services
- Severity
- Low
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-359
- Reviewed
- 2026-03-12
Affected packages
• Maven org.keycloak:keycloak-services: <= 26.5.5 (no fix yet)
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.
Related
Alias · CVE (1)
- CVE-2026-3911 A flaw was found in Keycloak. vulnerability
Weakness · CWE (1)
- CWE-359 Exposure of Private Personal Information to an Unauthorized Actor weakness
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