CreditShohruh Yo'ldoshov, Secure-Plex, 360 AlphaLab, Dahmani Toumi, diptanilsaha DescriptionFrappe ERPNext before 15.121.4 and 16.x before 16.36.0 contains a missing authorization vulnerability in erpnext.crm.utils.get_open_activities that exposes ToDo and Event records. Any authenticated user, including portal or no-role users, can supply arbitrary ref_doctype and ref_docname values to enumerate activities and private calendar event details.