Authorization Bypass Through User-Controlled Key

Overview alextselegidis/easyappointments is a powerful Open Source Appointment Scheduler that can be installed on your server. Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key through the appointments/store and appointments/update endpoints. An...

CVE-2026-52839: Authorization Bypass Through User-Controlled Key

Easy!Appointments is a self hosted appointment scheduler. Versions prior to 1.6.0 correctly filter provider-scoped appointments in the appointments/search response, proving that provider isolation is an intended security boundary. However, the direct mutation endpoints appointments/store and...