Sunan Abi Dawud 1837
سنن أبي داود#1837Da'ifNarrated Anas ibn Malik: The Messenger of Allah (ﷺ) had himself cupped on the surface of his foot because of a pain in it while he was in the sacred state (wearing ihram). Abu Dawud said: I heard Ahmad say: "Ibn Abi 'Arubah narrated it in Mursal form". Meaning from Qatadah
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiDaif
In-book reference: 11:117