Sunan Abi Dawud 1474
سنن أبي داود#1474Da'ifحَدَّثَنَا مُحَمَّدُ بْنُ الْعَلاَءِ، أَخْبَرَنَا ابْنُ إِدْرِيسَ، عَنْ يَزِيدَ بْنِ أَبِي زِيَادٍ، عَنْ عِيسَى بْنِ فَائِدٍ، عَنْ سَعْدِ بْنِ عُبَادَةَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " مَا مِنِ امْرِئٍ يَقْرَأُ الْقُرْآنَ يَنْسَاهُ إِلاَّ لَقِيَ اللَّهَ عَزَّ وَجَلَّ يَوْمَ الْقِيَامَةِ أَجْذَمَ " .
Narrated Sa'd ibn Ubadah: The Prophet (ﷺ) said: No man recites the Qur'an, then forgets it, but will meet Allah on the Day of Judgment in a maimed condition (or empty-handed, or with no excuse)
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: 8:59