Sahih Muslim 4654
صحيح مسلم#4654SahihIt has been narrated on the authority of Jundub b. Sufyan who said:A finger of the Messenger of Allah (ﷺ) was wounded in one of the encounters He said: Thou art just a little finger which has bled, and what thou hast experienced is in the cause of Allah
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: 32:136