CVE-2026-90594A vulnerability was identified in wxiaoqi Spring-Cloud-Platform 3.0.1/3.1.0. This vulnerability affects the function PermissionService.checkUserPermission of the file /rpc/service/PermissionService.java of the component Permission Service. The manipulation leads to missing authorization. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.