CVE-2026-52840

Affected software: Easy!Appointments (self-hosted) prior to 1.6.0. Vulnerability: Server-Side Request Forgery (SSRF) in the CalDAV connection test. In Caldav::connect_to_server (application/controllers/Caldav.php:60), the request’s caldav_url is handed to a Guzzle REPORT call without proper schem...