An arbitrary file write issue in the exfiltration endpoint in BYOB (Build Your Own Botnet) 2.0 allows attackers to overwrite SQLite databases and bypass authentication via an unauthenticated HTTP request with a crafted parameter. This occurs in file_add in api/files/routes.py.
https://github.com/malwaredllc/byob
https://github.com/chebuya/exploits/tree/main/BYOB-RCE
https://blog.chebuya.com/posts/unauthenticated-remote-command-execution-on-byob/