Sahih Muslim 3214
صحيح مسلم#3214SahihJabir b. 'Abdullah (Allah be pleased with them) reported that he was asked about riding on a sacrificial animal, and he said:I heard Allah's Messenger (ﷺ) as saying: Ride on it gently, when you have need for it, until you find (another) mount
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 15:418