Sahih al-Bukhari 6729
صحيح البخاري#6729SahihNarrated Abu Huraira:Allah's Messenger (ﷺ) said, "Not even a single Dinar of my property should be distributed (after my deaths to my inheritors, but whatever I leave excluding the provision for my wives and my servants, should be spent in charity)
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: 85:6