"The Messenger of Allah said: 'There is no vow to commit an act of disobedience, and its expiation is the expiation for an oath.'" (Using translation from Nasāʾī 3835)

قَالَ رَسُولُ اللَّهِ ﷺ «لَا نَذْرَ فِي مَعْصِيَةٍ وَكَفَّارَتُهُ كَفَّارَةُ يَمِينٍ» سكت عنه الذهبي في التلخيص