Sahih Muslim 6141
صحيح مسلم#6141SahihAbu Huraira reported Allah's Messenger (ﷺ) as having said that Ibrahim (as) circumcised himself with the help of an adze when he was eighty years old
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: 43:199