مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2893
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Ibn 'Abbas (رضي الله عنه) said: The Messenger of Allah (ﷺ) said: "Cursed be the one who reviles his father; cursed be the one who reviles his mother; cursed be the one who offers a sacrifice to anyone other than Allah; cursed be the one who changes the boundary markers; cursed be the one who pushes a blind man off the road; cursed be the one who commits bestiality; cursed be the one who does the act of the people of Loot." The Messenger of Allah said it three times concerning homosexuality.
Musnad Ahmad 2914lts isnad is hasan]