$file =~ /^([-\w.]+)$/;
    $file = $1;
$realm =~ /^([-\w.]+)$/;
    $realm = $1;
$user_dir =~ /^([-\w.]+)$/;
    $user_dir = $1;

unlink("/home/httpd/sec-html/$realm/$user_dir/$file");

##</code><code>##

Insecure dependency in unlink while running with -T switch at /home/httpd/sec-cgi/surflo/todd/delete line 47.