CVE-2026-52841

Easy!Appointments before 1.6.0 is vulnerable to an Authorization bypass in Google OAuth provider binding. The issue: in Google::oauth (application/controllers/Google.php:278), the provider_id supplied in the request is stored in the session and oauth_callback saves the Google OAuth token against ...

CVE-2026-52841 Easy!Appointments: Authorization bypass in Google OAuth provider binding lets any backend user rebind a peer provider's Google sync

Easy!Appointments is a self hosted appointment scheduler. In versions prior to 1.6.0, Google::oauth at application/controllers/Google.php:278 stores its URL-supplied providerid in the session, and oauthcallback saves the issued Google OAuth token against that row without checking the caller owns...