CVE-2026-3911
Org.keycloak.services.resources.admin.userresource: keycloak: information disclosure of disabled user attributes via administrative endpoint
- State
- Published
- Severity
- 2.7 Low
- Published
- Mar 11, 2026
- Updated
- Apr 2, 2026
- Reserved
- Mar 11, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 2.7 Low | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N | redhat |
Weaknesses
- CWE-359 Exposure of Private Personal Information to an Unauthorized Actor
Affected Products
| Product | Versions |
|---|---|
Red Hat build of Keycloak 26.4Red Hat |
|
Red Hat build of Keycloak 26.4Red Hat |
|
Red Hat build of Keycloak 26.4Red Hat |
|
Red Hat build of Keycloak 26.4.11Red Hat |
References
- RHSA-2026:6477vendor-advisory
- RHSA-2026:6478vendor-advisory
- https://access.redhat.com/security/cve/CVE-2026-3911vdb-entry
- RHBZ#2446392issue-tracking
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.