It is narrated from Sayyida Aisha (may Allah be pleased with her) that the Noble Prophet (peace and blessings be upon him) said: There is no vow in disobedience to Allah, and its expiation is the expiation of an oath.
Hadith Referenceالفتح الربانی / كتاب الأيمان والنذور / 5365
Hadith Gradingمحدثین:صحیح
Hadith Takhrij«حديث صحيح، أخرجه ابوداود: 3291، وابن ماجه: 2125، والنسائي: 7/26، (انظر مسند أحمد ترقيم الرسالة: 26098 ترقیم بيت الأفكار الدولية: 26626»
Brief Explanation
Benefits: … From this hadith it is understood that the expiation (kaffarah) for a vow (nadhar) of disobedience must be performed. The expiation for a vow (nadhar) is the same as the expiation for an oath (qasam). Refer to the chapter of hadith number (5338).