Jami` at-Tirmidhi 108
جامع الترمذي#108Sahihحَدَّثَنَا أَبُو مُوسَى، مُحَمَّدُ بْنُ الْمُثَنَّى حَدَّثَنَا الْوَلِيدُ بْنُ مُسْلِمٍ، عَنِ الأَوْزَاعِيِّ، عَنْ عَبْدِ الرَّحْمَنِ بْنِ الْقَاسِمِ، عَنْ أَبِيهِ، عَنْ عَائِشَةَ، قَالَتْ إِذَا جَاوَزَ الْخِتَانُ الْخِتَانَ فَقَدْ وَجَبَ الْغُسْلُ فَعَلْتُهُ أَنَا وَرَسُولُ اللَّهِ صلى الله عليه وسلم فَاغْتَسَلْنَا . قَالَ وَفِي الْبَابِ عَنْ أَبِي هُرَيْرَةَ وَعَبْدِ اللَّهِ بْنِ عَمْرٍو وَرَافِعِ بْنِ خَدِيجٍ .
Aishah narrated:"When the circumcised meets the circumcised, then indeed Ghusl is required. Myself and Allah's Messenger did that, so we performed Ghusl
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:
In-book reference: 1:108