Sahih Muslim 1646
صحيح مسلم#1646Sahihوَحَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، حَدَّثَنَا لَيْثٌ، ح وَحَدَّثَنَا مُحَمَّدُ بْنُ رُمْحٍ، - وَاللَّفْظُ لَهُ - أَخْبَرَنَا اللَّيْثُ، عَنْ نَافِعٍ، عَنْ عَبْدِ اللَّهِ، عَنْ رَسُولِ اللَّهِ صلى الله عليه وسلم أَنَّهُ أَدْرَكَ عُمَرَ بْنَ الْخَطَّابِ فِي رَكْبٍ وَعُمَرُ يَحْلِفُ بِأَبِيهِ فَنَادَاهُمْ رَسُولُ اللَّهِ صلى الله عليه وسلم " أَلاَ إِنَّ اللَّهَ عَزَّ وَجَلَّ يَنْهَاكُمْ أَنْ تَحْلِفُوا بِآبَائِكُمْ فَمَنْ كَانَ حَالِفًا فَلْيَحْلِفْ بِاللَّهِ أَوْ لِيَصْمُتْ "
Abdullah (b. Umar) reported that Allah's Messenger (ﷺ) found, Umar b. al-Khattab amongst the riders and he was taking oath by his father Allah's Messenger (ﷺ) called them (saying) ; Our Allah, the Exated and Majestic, has forbidden you that you take oath by your father. He who bag to take an oath, he must take it by Allah or keep quiet
Scholarly Authentication
The label above is the grade most of these scholars gave, each scholar counted once — 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. When they judged only its chain of narrators (“Isnaad”), the label says “Sound chain”. Each scholar's own wording:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
Sahih Muslim 1646 is the standard (Abd al-Baqi) number; this narration is #4257 in the MuslimGPT index.
In-book reference: 27:4