Saved by faith alone is not a Catholic teaching.
it’s not a Biblical teaching and was unknown for the first 1,500 years in Church history.
“Its not a Biblical teaching and was unknown for the first 1,500 years in Church history.”
Romans 10:9
If you confess with your mouth the Lord Jesus and believe in your heart that God has raised Him from the dead, you will be saved.
Ephesians 2:8 and Acts 15:11.