Sahih Muslim 6631
صحيح مسلم#6631SahihAbu Huraira reported that he heard Allah's Messenger (ﷺ) as saying:The worst amongst people is one with the double face. He comes to some people with one face and to others with the other 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: 45:128