Saeed ibn Ubaydah said: Ibn Umar heard a man swearing: No, I swear by the Kabah. Ibn Umar said to him: I heard the Messenger of Allah ﷺ say: He who swears by anyone but Allah is polytheist.
Hadith ReferenceSunan Abi Dawud / Oaths and Vows (Kitab Al-Aiman Wa Al-Nudhur) / Hadith: 3251
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:إسناده صحيح