Sahih al-Bukhari 4818
صحيح البخاري#4818SahihNarrated Ibn `Abbas:That he was asked (regarding): "Except to be kind to me for my Kinship with you.' (42.23) Sa`id bin Zubair (who was present then) said, "It means here (to show what is due for) the relatives of Muhammad." On that Ibn `Abbas said: you have hurried in giving the answer! There was no branch of the tribe of Quraish but the Prophet (ﷺ) had relatives therein. The Prophet (ﷺ) said, "I do not want anything from (you ) except to be Kind to me for my Kinship with you
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: 65:340