Sahih Muslim 4012
صحيح مسلم#4012SahihRafi b. Khadij reported Allah'& Messenger (ﷺ) as saying:The price of a dog is evil, the earning of a prostitute is evil and the earning of a cupper is evil
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: 22:51