Literally not, how Elden Ring multiplayer works.

1. You can't invade solo host unless they specifically use an item for it

2. If you are coop you open yourself up for invasions and since a session has a 4 player limit you're always either in the majority (aka ganking) or on even grounds if you decide to only summon 1 friend and let the invader live long enough for another to show up. If you invade you are pretty much always going to be in a 1v3 situation.