Sahih al-Bukhari 6882
صحيح البخاري#6882SahihNarrated Ibn `Abbas:The Prophet (ﷺ) said, "The most hated persons to Allah are three: (1) A person who deviates from the right conduct, i.e., an evil doer, in the Haram (sanctuaries of Mecca and Medina); (2) a person who seeks that the traditions of the Pre-Islamic Period of Ignorance, should remain in Islam (3) and a person who seeks to shed somebody's blood without any right
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 87:21