Sahih al-Bukhari 4559
صحيح البخاري#4559SahihNarrated Salim's father:That he heard Allah's Messenger (ﷺ) on raising his head from the bowing in the last rak`a in the Fajr prayer, saying, "O Allah, curse such-and-such person and such-and-such person, and such-and-such person," after saying, "Allah hears him who sends his praises to Him, O our Lord, all praise is for You." So Allah revealed:--"Not for you (O Muhammad) (but for Allah) is the decision, verily they are indeed wrongdoers
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: 65:81