Sahih al-Bukhari 4217
صحيح البخاري#4217SahihNarrated Ibn `Umar:On the day of Khaibar, Allah's Messenger (ﷺ) forbade the eating of donkey 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: 64:257