Sunan an-Nasa'i 1122
سنن النسائي#1122SahihIt was narrated that 'Aishah said:"The Messenger of Allah (ﷺ) used to say when bowing and prostrating: 'Subhanakallahumma, Rabbana wa bihamdik. Allahumma-ghfirli (Glory be to You O Allah, Our Lord, and praise. O Allah, forgive me," following the command of the Quran)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 12:94