Sahih al-Bukhari 5306
صحيح البخاري#5306SahihNarrated `Abdullah:An Ansari man accused his wife (of committing illegal sexual intercourse). The Prophet (ﷺ) made both of them takes the oath of Lian, and separated them from each other (by divorce)
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: 68:55