OpenEMR before 8.5.0 contains a missing authorization vulnerability in several custom/ scripts that rely only on session authentication and never call AclMain::aclCheckCore(). Any authenticated low-privilege user can request export_labworks.php, chart_tracker.php, or export_registry_xml.php to disclose patient SSN, DOB, and insurance data or provider NPI/tax IDs, and forge chart-tracker records.