Sahih al-Bukhari 5177
صحيح البخاري#5177Sahihحَدَّثَنَا عَبْدُ اللَّهِ بْنُ يُوسُفَ، أَخْبَرَنَا مَالِكٌ، عَنِ ابْنِ شِهَابٍ، عَنِ الأَعْرَجِ، عَنْ أَبِي هُرَيْرَةَ، رضى الله عنه أَنَّهُ كَانَ يَقُولُ شَرُّ الطَّعَامِ طَعَامُ الْوَلِيمَةِ يُدْعَى لَهَا الأَغْنِيَاءُ، وَيُتْرَكُ الْفُقَرَاءُ، وَمَنْ تَرَكَ الدَّعْوَةَ فَقَدْ عَصَى اللَّهَ وَرَسُولَهُ صلى الله عليه وسلم.
Narrated Abu Huraira:The worst food is that of a wedding banquet to which only the rich are invited while the poor are not invited. And he who refuses an invitation (to a banquet) disobeys Allah and His Apostle
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 al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 67:112