Sahih Muslim 4509
صحيح مسلم#4509SahihAbd al-Rahman b. 'Uthman al-Taimi reported that Allah's Messenger (ﷺ) forbade taking into custody the stray thing of the pilgrims
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: 31:11