Sahih Muslim 3676
صحيح مسلم#3676SahihIbn Abbas (Allah be pleased with them) reported about (declaring of one's woman) unlawful as an oath which must be atoned, and Ibn 'Abbas said:Verily, there is in the Messenger of Allah (ﷺ) a model pattern for you
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: 18:25