Sahih al-Bukhari 4748
صحيح البخاري#4748SahihNarrated Ibn `Umar:A man accused his wife of illegal sexual intercourse and denied his paternity to her (conceived) child during the lifetime of Allah's Messenger (ﷺ). Allah's Messenger (ﷺ) ordered them both to do Mula'ana as Allah decreed and then gave his decision that the child would be for the mother, and a divorce decree was issued for the couple involved in a case of Mula'ana
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: 65:270