Muwatta Malik 777
موطأ مالك#777SahihThese are the words of a Companion, not of the Prophet ﷺ. The chain is graded on its own terms.
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ نَافِعٍ، عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ، أَنَّهُ كَانَ يَقُولُ لاَ يَحْتَجِمُ الْمُحْرِمُ إِلاَّ مِمَّا لاَ بُدَّ لَهُ مِنْهُ . قَالَ مَالِكٌ لاَ يَحْتَجِمُ الْمُحْرِمُ إِلاَّ مِنْ ضَرُورَةٍ .
Yahya related to me from Malik, from Nafi, that Abdullah ibn Umar used to say, "Someone in ihram should not be cupped, except when there is no other alternative." Malik said, "Someone who is in ihram should not be cupped except when it is necessary
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: 20:73