It was narrated from 'Imran bin Husain that the Messenger of Allah (ﷺ) said: [There is no vow to commit disobedience and] no vow concerning that which the son of Adam does not possess.
It was narrated from 'Aishah that the Messenger of Allah (ﷺ) said: There is no vow to commit disobedience, and the expiation (for such a vow) is the expiation for breaking an oath.
It was narrated from 'Aishah that the Messenger of Allah (ﷺ) said: Whoever vows to obey Allah, let him obey Him, and whoever vows to disobey Allah, let him not disobey Him.