Jan Hus and many thousands of others.
The Catechism however does condemn torture, and suggests praying both for the victims and the tormentors, as I quoted in 523.
The quote from the current Catechism is worthless insofar as the Inquisition and its' sorry record is concerned.
The Catholic Church is no longer a secular power. In fact it lost all pretense to secular power when the Papal Army was defeated in 1870.
Hus was a protocommunist heretic of the first rank, who inspired a bloody peasant revolt. No apology there.
The quote from the current Catechism is worthless
The quote expresses regret in the cooperation with the torturers adn condemns torture. This is why the Inquisition in any its modern form will not cooperate with any government as it abuses human dignity, and will not, of course, itself abuse human dignity.
The Catholic Church is no longer a secular power
To the extent that over 1 billion Catholics in the secular world listen to the Church, she is.