Abu Hurairah reported the Messenger of Allah ﷺ as saying:

It is not allowable for a woman to keep (voluntary) fast when her husband is present without his permission, and she may not allow anyone to enter his house without his permission.

حَدَّثَنَا الْحَسَنُ بْنُ عَلِيٍّ، حَدَّثَنَا عَبْدُ الرَّزَّاقِ، حَدَّثَنَا مَعْمَرٌ، عَنْ هَمَّامِ بْنِ مُنَبِّهٍ، أَنَّهُ سَمِعَ أَبَا هُرَيْرَةَ، يَقُولُ قَالَ رَسُولُ اللَّهِ ﷺ
" لاَ تَصُومُ الْمَرْأَةُ وَبَعْلُهَا شَاهِدٌ إِلاَّ بِإِذْنِهِ غَيْرَ رَمَضَانَ وَلاَ تَأْذَنُ فِي بَيْتِهِ وَهُوَ شَاهِدٌ إِلاَّ بِإِذْنِهِ " .