Are you investigating a or log entry?
: Run the web server with the "least privilege" necessary. A web server should never have permission to read the /root/ directory or sensitive system files.
../../../../../root/
: This is the URL-encoded version of ../ . By repeating this sequence, the attacker moves up several levels.
A Path Traversal attack occurs when an application uses user-controllable input to build a file path without sufficient validation. : -include-../../../../root/
Thus, the full decoded path becomes: ../../../../root/