Sahih Muslim 3186
صحيح مسلم#3186SahihJabir (Allah be pleased with him) reported:We set out in the state of Ihram for Hajj along, with Allah's Messenger (ﷺ). He commanded us that seven persons should join in a camel and a cow for offering sacrifice
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: 15:390