Frappe ERPNext before 15.121.4 and 16.x before 16.36.0 contains a missing authorization vulnerability in the whitelisted get_bom_items and get_bom_diff methods that skip BOM read permission checks. Any authenticated user, including portal or no-role users, can call get_bom_items with a BOM name to retrieve every raw material, quantity, rate and cost.
CWE-862