Sahih al-Bukhari 7179
صحيح البخاري#7179SahihNarrated Abu Huraira:Allah's Messenger (ﷺ) said, "The worst of all mankind is the double-faced one, who comes to some people with one face and to others, with another 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 al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 93:42