In InvoicePlane 1.5.11 a misconfigured web server allows unauthenticated directory listing and file download. Allowing an attacker to directory traversal and download files suppose to be private without authentication.Referenceshttps://notnnor.github.io/research/2021/03/17/files-or-directories-accessible-to-external-parties-in-invoiceplane.htmlhttps://github.com/InvoicePlane/InvoicePlane/pull/754