Perhaps it's something you can get around. As others are saying, you might be able to get past the guivres and waterdogs. Both are sound aggro, so they'll leave you alone if you hit 'x' on your keyboard and walk past them. Pugots will aggro no matter what, however. It might also be that there is an alternate path, however I'm unfamiliar with where that quest sends you. Can you give us the coordinates of the quest marker?