Sahih Muslim 3853
صحيح مسلم#3853SahihIbn 'Umar (Allah be pleased with them) reported Allah's Messenger (ﷺ) as saying:Both parties in a business transaction have the right to annul it so long as they have not separated; except in transactions which have been made subject to the right of parties to annul them
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: 21:52