ruoyi-vue-pro through 2026.05, fixed in commit 5d1fd70 contains a broken access control vulnerability in ErpSaleOrderController that allows attackers with erp:sale-out permissions to gain unauthorized access to sale order operations by exploiting an incorrect permission namespace enforcement. Attackers holding shipment-level permissions can perform unauthorized create, update, delete, and read operations on financially sensitive sale orders due to the controller enforcing erp:sale-out instead of the intended erp:sale-order namespace.