Sunan Ibn Majah 1680
سنن ابن ماجه#1680Sahihحَدَّثَنَا أَحْمَدُ بْنُ يُوسُفَ السُّلَمِيُّ، حَدَّثَنَا عُبَيْدُ اللَّهِ، أَنْبَأَنَا شَيْبَانُ، عَنْ يَحْيَى بْنِ أَبِي كَثِيرٍ، حَدَّثَنِي أَبُو قِلاَبَةَ، أَنَّ أَبَا أَسْمَاءَ، حَدَّثَهُ عَنْ ثَوْبَانَ، قَالَ: سَمِعْتُ النَّبِيَّ ـ صلى الله عليه وسلم ـ يَقُولُ: " أَفْطَرَ الْحَاجِمُ وَالْمَحْجُومُ " .
It was narrated that Thawban said:“I heard the Prophet (ﷺ) say: ‘The cupper and the one for whom cupping is done both break their fast.’”
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:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 7:43