Sunan an-Nasa'i 1060
سنن النسائي#1060SahihIt was narrated that Abu Hurairah said:"When the Prophet (ﷺ) raised his head from bowing, he said: 'Allahumma Rabbana wa lakal-hamd (O Allah, our Lord and to You be the praise)
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: 12:32