**Name of the Vulnerable Software and Affected Versions:**
White Star Software Protop version 4.4.2-2024-11-27
**Description:**
A directory traversal issue exists in White Star Software Protop version 4.4.2-2024-11-27. An unauthenticated attacker can remotely read arbitrary files on the underlying operating system by utilizing encoded traversal sequences through the `/pt3upd/` endpoint.
**Recommendations:**
Update to a newer version that contains a fix for this issue. As a temporary workaround, restrict access to the `/pt3upd/` endpoint.