Sahih Muslim 742
صحيح مسلم#742SahihJabir b. Abdullah reported:A delegation of the Thaqif said to the Messenger of Allah (ﷺ): Our land is cold; what about our bathing then? He (the Holy Prophet) said: I pour water thrice over my head. Ibn Salim in his narration reported:" The delegation of the Thaqif said: Messenger of Allah
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: 3:64