Sahih al-Bukhari 6954
صحيح البخاري#6954SahihNarrated Abu Huraira:The Prophet (ﷺ) said, "Allah does not accept prayer of anyone of you if he does Hadath (passes wind) till he performs the ablution (anew)
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: 90:2