Sahih al-Bukhari 6983
صحيح البخاري#6983SahihNarrated Anas bin Malik:Allah's Messenger (ﷺ) said, "A good dream (that comes true) of a righteous man is one of forty-six parts of prophetism
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: 91:2