Sahih Muslim 5083
صحيح مسلم#5083SahihJabir b. 'Abdullah reported:Allah's Messenger (ﷺ) led us in the 'Id prayer in Medina on the Day of Sacrifice. Some persons slaughtered their animals ahead of him under the impression that Allah's Apostle (ﷺ) had-already offered sacrifice. Thereupon Allah's Apostle (ﷺ) said: Those who had slaughtered their animals ahead of him should slaughter the other ones in their stead. And they should not sacrifice the animal before Allah's Messenger (ﷺ) had sacrificed (his animal)
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: 35:20