Sahih Muslim 5552
صحيح مسلم#5552SahihJabir reported that there happened to pass before Allah's Apostle (ﷺ) an ass the face of which had been cauterised, whereupon he said:Allah has cursed one who has cauterised it (on the face)
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: 37:163