Serverside executors do not "hack" Roblox directly. Instead, they rely on hidden within specific games.
Many new game developers use free models from the Toolbox. Hackers often inject "backdoors" into these free models (like a car or a sword). If you join a game that contains that specific vulnerable model, you can run a small script that gives you Admin powers.
In the Roblox community, "Free Serverside (SS) Executors" are tools claimed to let users run scripts that affect everyone in a game, not just the local user. However, these tools are almost always or ineffective . ⚠️ The Reality of "Free" SS Executors