You can report a security vulnerability to Wizard's Den through Discord or through email.
If you want to send an email, you can contact Wizard's Den at support@spacestation14.com.
If you want to contact Wizard's Den through Discord, you can join the SS14 server
and then privately message anyone with the @Wizard or @SS14 Maintainer role.
In either case, do not publicly disclose the vulnerability until you are explicitly given permission to do so.