For those that have been reborn, which means those for whom the sacrament is fruitful. Some have the baptism of water done without it being fruitful so have not been reborn. The Council of Florence qualifies the canon with “upon those who immediately attain to the kingdom of heaven and the vision of God”.
1263 By Baptism all sins are forgiven, original sin and all personal sins, as well as all punishment for sin.66 In those who have been reborn nothing remains that would impede their entry into the Kingdom of God, neither Adam’s sin, nor personal sin, nor the consequences of sin, the gravest of which is separation from God.
66 Cf. Council of Florence (1439): DS 1316.
1316 The effect of this sacrament is the remission of every sin, original and actual, also of every punishment which is due to the sin itself. Therefore, no satisfaction must be enjoined for past sins upon those who immediately attain to the kingdom of heaven and the vision of God.