diff --git a/erpnext/controllers/stock_controller.py b/erpnext/controllers/stock_controller.py
index c48eb2bd620..b4218b85f0e 100644
--- a/erpnext/controllers/stock_controller.py
+++ b/erpnext/controllers/stock_controller.py
@@ -1513,9 +1513,10 @@ class StockController(AccountsController):
 
 
 @frappe.whitelist()
-def show_accounting_ledger_preview(company, doctype, docname):
+def show_accounting_ledger_preview(company: str, doctype: str, docname: str):
 	filters = frappe._dict(company=company, include_dimensions=1)
 	doc = frappe.get_doc(doctype, docname)
+	doc.check_permission("read")
 	doc.run_method("before_gl_preview")
 
 	gl_columns, gl_data = get_accounting_ledger_preview(doc, filters)
@@ -1526,9 +1527,10 @@ def show_accounting_ledger_preview(company, doctype, docname):
 
 
 @frappe.whitelist()
-def show_stock_ledger_preview(company, doctype, docname):
+def show_stock_ledger_preview(company: str, doctype: str, docname: str):
 	filters = frappe._dict(company=company)
 	doc = frappe.get_doc(doctype, docname)
+	doc.check_permission("read")
 	doc.run_method("before_sl_preview")
 
 	sl_columns, sl_data = get_stock_ledger_preview(doc, filters)