Sahih al-Bukhari 5115
صحيح البخاري#5115SahihNarrated `Ali:I said to Ibn `Abbas, "During the battle of Khaibar the Prophet (ﷺ) forbade (Nikah) Al-Mut'a and the eating of donkey's meat
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: 67:52