Sunan Abi Dawud 878
سنن أبي داود#878SahihAbu Hurairah said:The prophet (ﷺ) used to say when prostrating himself: “O Allah. Forgive me all my sins, small and great, first and last. “ the narrator Ibn al-sarh added: “open and secret.”
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Muslim (483)
In-book reference: 2:488