Cabral's fleet did not depart Lisbon until 1500 AD; all but the last of Columbus's four New World voyages had taken place by then. It would make more sense to say that Cabral had prior knowledge of Columbus. Columbus's first voyage predates even da Gama's first successful sailing to India. I have heard rumours that Portuguese voyages or fishermen were supposed to have secretly had knowledge of the Brazilian coast before Cabral, which is supposed to explain why da Gama sailed so far to the west to round Africa and the Cape, but there is no evidence I have seen to convince me that this is much more than a fringe theory.