Sahih Muslim 4311
صحيح مسلم#4311SahihAbu Huraira reported that Abu'l-Qasim (one of the names of Allah's Messenger [may peace be upon him]) said:He who accused his slave of adultery, punishment would be imposed upon him on the Day of Resurrection, except in case the accusation was as he had said
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: 27:58