Sahih al-Bukhari 797
صحيح البخاري#797SahihNarrated Abu Salama:Abu Hurairah said, "No doubt, my Salat is similar to that of the Prophet (ﷺ)." Abu Hurairah used to recite Qunut after saying Sami' Allahu liman hamida in the last Rak'a of the Zuhr, Isha and Fajr Prayers. He would ask Allah's Forgiveness for the true believers and curse the disbelievers
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: 10:192