

By manipulating the URL parameter, an attacker can access sensitive files that should only be available to authorized users. This vulnerability poses a significant impact and severity to the application's security.

By Changing the file_id any user can render all the files where MimeType is image uploaded under **/files** directory regard less of uploaded by any user. This vulnerability enables any user to read files uploaded by any other user, regardless of their privileges or restrictions. Versions prior to 1.2.30 are subject to an Insecure direct object reference (IDOR) vulnerability present in the application's URL parameter. Kanboard is open source project management software that focuses on the Kanban methodology.
