Sahih al-Bukhari 5014
صحيح البخاري#5014SahihNarrated Abu Said Al-Khudri:My brother, Qatada bin An-Nau'man said, "A man performed the night prayer late at night in the lifetime of the Prophet (ﷺ) and he read: 'Say: He is Allah, (the) One,' (112.1) and read nothing besides that. The next morning a man went to the Prophet (ﷺ) ,~ and told him about that . (The Prophet (ﷺ) replied the same as (in Hadith 532) above
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: 66:36