Sunan Abi Dawud 2875
سنن أبي داود#2875HasanUmair, A Companion of the Prophet (ﷺ) said:A man asked him (the Prophet): Messenger of Allah, what are the grave sins? He replied: They are nine. He then mentioned the tradition to the same effect. This version adds: "And disobedience to the Muslim parents, and to violate the sacred House, your qiblah (direction of prayer), in your life and after death
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniHasan
Muhammad Muhyi Al-Din Abdul HamidHasan
In-book reference: 18:14