Sahih Muslim 4452
صحيح مسلم#4452SahihAnas b. Malik reported that a person who had drink wine was brought to Allah's Apostle (ﷺ). He gave him forty stripes with two lashes. Abu Bakr also did that, but when Umar (assumed the responsibilities) of the Caliphate, he consulted people and Abd al-Rahman said:The mildest punishment (for drinking) is eighty (stripes) and 'Umar their prescribed this punishment
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 29:55