A vulnerability was identified in YunaiV/zhijiantianya ruoyi-vue-pro up to 2026.08. Affected is the function updateDemoOrderPaid of the file yudao-module-pay/src/main/java/cn/iocoder/yudao/module/pay/controller/admin/demo/PayDemoOrderController.java of the component Demo-order Payment Callback Handler. The manipulation of the argument ID leads to improper authorization. The attack can be initiated remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.