Sahih al-Bukhari 6993
صحيح البخاري#6993SahihNarrated Abu Huraira:I heard the Prophet (ﷺ) saying, "Whoever sees me in a dream will see me in his wakefulness, and Satan cannot imitate me in shape." Abu `Abdullah said, "Ibn Seereen said, 'Only if he sees the Prophet (ﷺ) in his (real) shape
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: 91:12