The snailjob component in RuoYi-Vue-Plus versions 5.5.1 and earlier, interface /snail-job/workflow/check-node-expression can execute QLExpress expressions, but it does not filter user input, allowing attackers to use the File class to perform arbitrary file reading and writing.
https://github.com/Catherines77/code-au/blob/main/ruoyi-vue-plus/QLExpress.md
https://gitee.com/dromara/RuoYi-Vue-Plus
https://gist.github.com/Catherines77/e3f06b9c4cc6298579e858088a243c3d