Sunan Abi Dawud 3290
سنن أبي داود#3290Sahihحَدَّثَنَا إِسْمَاعِيلُ بْنُ إِبْرَاهِيمَ أَبُو مَعْمَرٍ، حَدَّثَنَا عَبْدُ اللَّهِ بْنُ الْمُبَارَكِ، عَنْ يُونُسَ، عَنِ الزُّهْرِيِّ، عَنْ أَبِي سَلَمَةَ، عَنْ عَائِشَةَ، رضى الله عنها أَنَّ النَّبِيَّ صلى الله عليه وسلم قَالَ : " لاَ نَذْرَ فِي مَعْصِيَةٍ، وَكَفَّارَتُهُ كَفَّارَةُ يَمِينٍ " .
Narrated 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
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Al-AlbaniSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 22:49