Sunan an-Nasa'i 3787
سنن النسائي#3787SahihIt was narrated that 'Adiyy bin Hatim said:"The Messenger of Allah said: 'Whoever swears an oath, then sees something better than it, let him do that which is better and leave his oath
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiHasan
In-book reference: 35:27