Keycloak: Information disclosure of disabled user attributes via administrative endpoint
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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-3911US | — | — | ||
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 end… | ||||
02
references
External citations — patches, advisories, analysis.
- https://access.redhat.com/errata/RHSA-2026:6477WEB
- https://access.redhat.com/errata/RHSA-2026:6478WEB
- https://access.redhat.com/security/cve/CVE-2026-3911WEB
- https://bugzilla.redhat.com/show_bug.cgi?id=2446392WEB
- https://github.com/keycloak/keycloakPACKAGE
- https://github.com/keycloak/keycloak/commit/215bc1e27230f2a66670ed70262248b5f5254eb9WEB
- https://github.com/keycloak/keycloak/issues/46922WEB
- https://github.com/keycloak/keycloak/pull/46923WEB
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