The sudo password is a security theater. If untrusted code is isolated, it will be unable to run sudo (or other privilege escalation tool) at all. If untrusted code is not isolated, it has millions of ways to sniff the sudo password. This applies to both server and desktop Linux installations.
Keep your stuff sandboxed. The Evil Systemd, despite being Evil, has a set of useful options for this. Check systemd.service(5).
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