Server-side Request Forgery (SSRF)

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 Server-side Request Forgery SSRF in the connecttoserver function. An attacker can access internal network resources by...

CVE-2026-52840

Easy!Appointments is a self hosted appointment scheduler. In versions prior to 1.6.0, Caldav::connecttoserver at application/controllers/Caldav.php:60 hands the request's caldavurl to a Guzzle REPORT call without scheme or host validation. A logged-in backend user admin, provider, or secretary...

PT-2026-58068

Name of the Vulnerable Software and Affected Versions Easy!Appointments versions prior to 1.6.0 Description An issue exists where the Caldav::connect to server function in application/controllers/Caldav.php processes the caldav url variable without validating the scheme or host. This allows an...