Sahih Muslim 735
صحيح مسلم#735SahihZainab bint Umm Salama (the wife of the Holy Prophet) reported that Umm Salama and the Messenger of Allah (ﷺ) took a bath from the same vessel
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: 3:57