Sunan an-Nasa'i 1587
سنن النسائي#1587Sahihأَخْبَرَنَا عَبْدُ اللَّهِ بْنُ سَعِيدٍ الأَشَجُّ، قَالَ حَدَّثَنَا ابْنُ إِدْرِيسَ، قَالَ أَنْبَأَنَا شُعْبَةُ، عَنْ عَدِيٍّ، عَنْ سَعِيدِ بْنِ جُبَيْرٍ، عَنِ ابْنِ عَبَّاسٍ، أَنَّ النَّبِيَّ صلى الله عليه وسلم خَرَجَ يَوْمَ الْعِيدِ فَصَلَّى رَكْعَتَيْنِ لَمْ يُصَلِّ قَبْلَهَا وَلاَ بَعْدَهَا .
It was narrated from Ibn 'Abbas that:The Prophet (ﷺ) went out on the day of 'Eid and prayed two rak'ahs, and he did not pray before or after them
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:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 19:32