Sunan Abi Dawud 3290
سنن أبي داود#3290SahihNarrated Aisha, Ummul Mu'minin: The Prophet (ﷺ) as saying: No vow must be taken to do an act of disobedience, and the atonement for it is the same as for an oath
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 22:49