Sahih al-Bukhari 4412
صحيح البخاري#4412SahihNarrated `Abdullah bin `Abbas:That he came riding a donkey when Allah's Apostle was standing at Mina during Hajjat-ul-Wada`, leading the people in prayer. The donkey passed in front of a part of the row (of the people offering the prayer). Then he dismounted from it and took his position in the row with the people
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: 64:434