Sahih Muslim 3266
صحيح مسلم#3266Sahihحَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، حَدَّثَنَا لَيْثٌ، عَنْ سَعِيدِ بْنِ أَبِي سَعِيدٍ، عَنْ أَبِيهِ، أَنَّ أَبَا هُرَيْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " لاَ يَحِلُّ لاِمْرَأَةٍ مُسْلِمَةٍ تُسَافِرُ مَسِيرَةَ لَيْلَةٍ إِلاَّ وَمَعَهَا رَجُلٌ ذُو حُرْمَةٍ مِنْهَا " .
Abu Huraira (Allah be pleased with him) reported Allah's Messenger (ﷺ) as saying:It is not lawful for a Muslim woman to travel a night's journey except when there is a Mahram with her
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 15:470