Riyad as-Salihin 282
Abu Hurairah (May Allah be pleased with him) reported:
Messenger of Allah (ﷺ) said, "It is not lawful for a woman to observe (voluntary) fasting without the permission of her husband when he is at home; and she should not allow anyone to enter his house without his permission.". [Al-Bukhari and Muslim] .
وعن أبي هريرة رضي الله عنه أيضًا أن رسول الله صلى الله عليه وسلم قال؛ ‏
"‏ لا يحل لامرأة أن تصوم وزوجها شاهد إلا بإذنه، ولا تأذن في بيته إلا بإذنه‏"‏ ‏(‏‏(‏متفق عليه وهذا لفظ البخاري‏)‏‏)‏‏.‏