Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
tirmidhi:3738 – Abū Saʿīd al-Ashaj > Yūnus b. Bukayr > Muḥammad b. Isḥāq > Yaḥyá Ibn ʿAbbād b. ʿAbdullāh b. al-Zubayr from his father from his grandfather ʿAbdullāh b. al-Zubayr > al-Zubayr

that Az-Zubair said: "On the Day of (the battle of) Uhud, the Messenger of Allah ﷺ wore two coats of mail. He tried to get up on a boulder, but was not able to, so Talhah squatted under him, lifting the Prophet ﷺ upon it, such that he could sit on the boulder. So he said: 'It (Paradise) is obligatory for Talhah.'"  

Abū ʿĪsá said that this Ḥadīth is Ḥasan-Ṣaḥīḥ-Gharīb.
الترمذي:٣٧٣٨ – حَدَّثَنَا أَبُو سَعِيدٍ الأَشَجُّ قَالَ حَدَّثَنَا يُونُسُ بْنُ بُكَيْرٍ عَنْ مُحَمَّدِ بْنِ إِسْحَاقَ عَنْ يَحْيَى ابْنِ عَبَّادِ بْنِ عَبْدِ اللَّهِ بْنِ الزُّبَيْرِ عَنْ أَبِيهِ عَنْ جَدِّهِ عَبْدِ اللَّهِ بْنِ الزُّبَيْرِ عَنِ الزُّبَيْرِ قَالَ

كَانَ عَلَى رَسُولِ اللَّهِ ﷺ يَوْمَ أُحُدٍ دِرْعَانِ فَنَهَضَ إِلَى صَخْرَةٍ فَلَمْ يَسْتَطِعْ فَأَقْعَدَ تَحْتَهُ طَلْحَةَ فَصَعِدَ النَّبِيُّ ﷺ حَتَّى اسْتَوَى عَلَى الصَّخْرَةِ فَقَالَ سَمِعْتُ النَّبِيَّ ﷺ يَقُولُ أَوْجَبَ طَلْحَةُ  

قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ غَرِيبٌ

See similar narrations below:

Collected by Tirmidhī, Ḥākim, Suyūṭī
tirmidhi:1692 – Abū Saʿīd al-Ashaj > Yūnus b. Bukayr > Muḥammad b. Isḥāq > Yaḥyá b. ʿAbbād b. ʿAbdullāh b. al-Zubayr from his father from his grandfather ʿAbdullāh b. al-Zubayr > al-Zubayr b. al-ʿAwwām

"On the Day of Uhud, the Prophet ﷺ wore two coats of mail. He tried to get up on a boulder but was not able to, so Talhah squatted under him, lifting the Prophet ﷺ upon it such that he could sit on the boulder. So he said: (Paradise) "It is obligated from Talhah.'"  

[Abu 'Eisa said:] There are narrations on this topic from Safwan bin Umayyah and As-Sa'ib bin Yazid. This Hadith is Hasan Gharib, we do not know of it except through the narration of Muhammad bin Ishaq.
الترمذي:١٦٩٢ – حَدَّثَنَا أَبُو سَعِيدٍ الأَشَجُّ حَدَّثَنَا يُونُسُ بْنُ بُكَيْرٍ عَنْ مُحَمَّدِ بْنِ إِسْحَاقَ عَنْ يَحْيَى بْنِ عَبَّادِ بْنِ عَبْدِ اللَّهِ بْنِ الزُّبَيْرِ عَنْ أَبِيهِ عَنْ جَدِّهِ عَبْدِ اللَّهِ بْنِ الزُّبَيْرِ عَنِ الزُّبَيْرِ بْنِ الْعَوَّامِ قَالَ

كَانَ عَلَى النَّبِيِّ ﷺ دِرْعَانِ يَوْمَ أُحُدٍ فَنَهَضَ إِلَى الصَّخْرَةِ فَلَمْ يَسْتَطِعْ فَأَقْعَدَ طَلْحَةَ تَحْتَهُ فَصَعِدَ النَّبِيُّ ﷺ عَلَيْهِ حَتَّى اسْتَوَى عَلَى الصَّخْرَةِ فَقَالَ سَمِعْتُ النَّبِيَّ ﷺ يَقُولُ أَوْجَبَ طَلْحَةُ  

قَالَ أَبُو عِيسَى وَفِي الْبَابِ عَنْ صَفْوَانَ بْنِ أُمَيَّةَ وَالسَّائِبِ بْنِ يَزِيدَ وَهَذَا حَدِيثٌ حَسَنٌ غَرِيبٌ لاَ نَعْرِفُهُ إِلاَّ مِنْ حَدِيثِ مُحَمَّدِ بْنِ إِسْحَاقَ
hakim:5602 – Abū al-ʿAbbās Muḥammad b. Yaʿqūb > Aḥmad b. ʿAbd al-Jabbār > Yūnus b. Bukayr > Muḥammad b. Isḥāq > Yaḥyá b. ʿAbbād b. ʿAbdullāh b. al-Zubayr from his father from his grandfather ʿAbdullāh b. al-Zubayr b. al-ʿAwwām

"On the Day of Uhud, the Prophet ﷺ wore two coats of mail. He tried to get up on a boulder but was not able to, so Talhah squatted under him, lifting the Prophet ﷺ upon it such that he could sit on the boulder. So he said: (Paradise) "It is obligated from Talhah.'" (Using translation from Tirmidhī 1692)   

الحاكم:٥٦٠٢ – حَدَّثَنَا أَبُو الْعَبَّاسِ مُحَمَّدُ بْنُ يَعْقُوبَ ثَنَا أَحْمَدُ بْنُ عَبْدِ الْجَبَّارِ ثَنَا يُونُسُ بْنُ بُكَيْرٍ عَنْ مُحَمَّدِ بْنِ إِسْحَاقَ عَنْ يَحْيَى بْنِ عَبَّادِ بْنِ عَبْدِ اللَّهِ بْنِ الزُّبَيْرِ عَنْ أَبِيهِ عَنْ جَدِّهِ عَبْدِ اللَّهِ بْنِ الزُّبَيْرِ بْنِ الْعَوَّامِ قَالَ

كَانَ عَلَى النَّبِيِّ ﷺ يَوْمَ أُحُدٍ دِرْعَانِ فَنَهَضَ إِلَى الصَّخْرَةِ فَلَمْ يَسْتَطِعْ فَقَعَدَ طَلْحَةُ تَحْتَهُ حَتَّى اسْتَوَى عَلَى الصَّخْرَةِ قَالَ الزُّبَيْرُ فَسَمِعْتُ النَّبِيَّ ﷺ يَقُولُ «أَوْجَبَ طَلْحَةُ» سكت عنه الذهبي في التلخيص  

suyuti:8-28b – al-Zubayr
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السيوطي:٨-٢٨b –

"عَنِ الزُّبَيْرِ قَالَ: كَانَ عَلَى النَّبِيِّ ﷺ يَوْمَ أُحُدٍ دِرْعَانِ، فَنَهَضَ إِلَى الصَّخْرَةِ فَلَمْ يَسْتَطِعْ، فَقَعَدَ طَلحَةُ تَحْتَهُ حَتَّى اسْتَوَى عَلَى الصَّخْرَةِ، فَسَمِعْتُ رَسُولَ الله ﷺ يَقُولُ. أَوْجَبَ طَلحَةُ".  

[ت] الترمذي