The Forgejo disclosure process looked pretty simple and straightforward to me. The bold and all-caps words that bothered the author are just making sure you know how to disclose vulnerabilities safely without leaking zero-day exploits to a wider audience than necessary.
I'm also not impressed with a carrot disclosure that looks like this. Running a python script to compromise a locally hosted instance? Bruh, you have physical hardware and host shell access. That python script could be doing anything including running as root.
Show us the exploit hitting a remote server.