Yes if they can show harm and that the court is the proper forum to address it. Alien Tort Statute establishes (among other things) that non-citizens can seek

Yes if they can show harm and that the court is the proper forum to address it. Alien Tort Statute establishes (among other things) that non-citizens can seek remedy in US courts for civil actions to remedy violations of treaty obligations or international law in the absence of any more proper legal forum. There is no treaty obligation to allow entry into the US from the countries listed in the executive order.