When running a Web Agent Option Pack, this one don't set the httponly flag, even if the ACO for it UseHTTPOnlyCookies has been configured.
Web Agent Option Pack 12.52SP1CR02 on Windows 2012R2;
Upgrade the Web Agent Option Pack to at least 12.52SP1CR07 or higher, to get this ACO parameter UseHTTPOnlyCookies implemented (1).