Sahih al-Bukhari 5984
صحيح البخاري#5984SahihNarrated Jubair bin Mut`im:That he heard the Prophet (ﷺ) saying, "The person who severs the bond of kinship will not enter Paradise
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: 78:15