Jami` at-Tirmidhi 1695
جامع الترمذي#1695Sahihحَدَّثَنَا عَبْدُ اللَّهِ بْنُ الصَّبَّاحِ الْهَاشِمِيُّ الْبَصْرِيُّ، حَدَّثَنَا يَزِيدُ بْنُ هَارُونَ، أَخْبَرَنَا شَيْبَانُ يَعْنِي ابْنَ عَبْدِ الرَّحْمَنِ، حَدَّثَنَا عِيسَى بْنُ عَلِيِّ بْنِ عَبْدِ اللَّهِ بْنِ عَبَّاسٍ، عَنْ أَبِيهِ، عَنِ ابْنِ عَبَّاسٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " يُمْنُ الْخَيْلِ فِي الشُّقْرِ " . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ غَرِيبٌ لاَ نَعْرِفُهُ إِلاَّ مِنْ هَذَا الْوَجْهِ مِنْ حَدِيثِ شَيْبَانَ .
Narrated Ibn 'Abbas: That the Messenger of Allah (ﷺ) said: "The blessing of the horse is in its redness." [Abu 'Eisa said:] This Hadith is Hasan Gharib, we do not know of it except from this route, from the narration of Shaiban
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: 23:26