Muwatta Malik 1831
موطأ مالك#1831SahihMalik related to me from Abu'z-Zinad from al-Araj from Abu Hurayra that the Messenger of Allah, may Allah bless him and grant him peace, said, "One of the most evil of people is the two-faced person who shows one face to these people and another face to those people
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Salim al-HilaliSahih
In-book reference: 56:21