lsfusion platform UploadFileRequestHandler.java UploadFileRequestHandler path traversal

A vulnerability was determined in lsfusion platform up to 6.1. Affected by this vulnerability is the function UploadFileRequestHandler of the file platform/web-client/src/main/java/lsfusion/http/controller/file/UploadFileRequestHandler.java. Executing manipulation of the argument sid can lead to path traversal. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.