I’ve got it solved. For some reason, Vive controllers need to be set up differently than others. In this case, both MoveForward and MoveRight need to have both X and Y, but one of them needs to be scaled to 0. Don’t know if this is by the book, but it surely works for now. This is how it looks like, compared to Rift Touch and Gamepad (both tested, gamepad used was on Xbox One controller):
