Sahih Muslim 7533
صحيح مسلم#7533SahihHisham reported on the authority of his father that 'A'isha said in connection with His (Allah's) words:" And whoever is poor let him take reasonably (out of it)" that it was revealed in connection with the custodian of the property of an orphan, who is in charge of her and looks after her; In case he is poor, he is allowed to eat out of that
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: 56:11