Sahih Muslim 2250
صحيح مسلم#2250SahihAbu Marthad al-Ghanawi reported Allah's Messenger (ﷺ) as saying:Do not sit on the graves and do not pray facing towards them
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: 11:126