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
suyuti:2307a –

The Prophet ﷺ said: When an imam stands up at the end of two rak'ahs , if he remembers before standing straight up, he should sit down, but if he stands straight up, he must not sit down, but perform the two prostrations of forgetfulness. Abu Dawud said: I have not narrated in this book of mine any hadith from Jabir Al-Ju'fi (one of the narrators) except this one. (Using translation from Abū Dāʾūd 1036)   

السيوطي:٢٣٠٧a –

"إِذا قَام الإمامُ في الرَّكْعَتينْ فإِنْ ذكَر قبلَ أنْ يستوى قائِما فْليجِلسْ، فإنْ استوى قائما فلا يجْلسْ ويسجُدُ سجدتى السَّهو.  

عبد الرزاق، [حم] أحمد [د] أبو داود [هـ] ابن ماجة [ق] البيهقى في السنن وضعفه عن المغيرة بن شعبة

See similar narrations below:

Collected by Abū Dāwūd, Ibn Mājah, Aḥmad, Bayhaqī
abudawud:1036 – al-Ḥasan b. ʿAmr > ʿAbdullāh b. al-Walīd > Sufyān

The Prophet ﷺ said: When an imam stands up at the end of two rak'ahs , if he remembers before standing straight up, he should sit down, but if he stands straight up, he must not sit down, but perform the two prostrations of forgetfulness. Abu Dawud said: I have not narrated in this book of mine any hadith from Jabir Al-Ju'fi (one of the narrators) except this one.  

أبو داود:١٠٣٦ – حَدَّثَنَا الْحَسَنُ بْنُ عَمْرٍو عَنْ عَبْدِ اللَّهِ بْنِ الْوَلِيدِ عَنْ سُفْيَانَ عَنْ جَابِرٍ يَعْنِي الْجُعْفِيَّ قَالَ حَدَّثَنَا الْمُغِيرَةُ بْنُ شُبَيْلٍ الأَحْمَسِيُّ عَنْ قَيْسِ بْنِ أَبِي حَازِمٍ عَنِ الْمُغِيرَةِ بْنِ شُعْبَةَ قَالَ

قَالَ رَسُولُ اللَّهِ ﷺ إِذَا قَامَ الإِمَامُ فِي الرَّكْعَتَيْنِ فَإِنْ ذَكَرَ قَبْلَ أَنْ يَسْتَوِيَ قَائِمًا فَلْيَجْلِسْ فَإِنِ اسْتَوَى قَائِمًا فَلاَ يَجْلِسْ وَيَسْجُدُ سَجْدَتَىِ السَّهْوِ  

قَالَ أَبُو دَاوُدَ وَلَيْسَ فِي كِتَابِي عَنْ جَابِرٍ الْجُعْفِيِّ إِلاَّ هَذَا الْحَدِيثُ
ibnmajah:1208 – Muḥammad b. Yaḥyá > Muḥammad b. Yūsuf > Sufyān > Jābir > al-Mughīrah b. Shubayl > Qays b. Abū Ḥāzim > al-Mughīrah b. Shuʿbah

“The Messenger of Allah ﷺ said: ‘If anyone of you stands after two Rak’ah, if he has not yet stood up fully, let him sit down again, but if he has stood up fully, then let him not sit down, and let him perform two prostrations for forgetfulness (Sahw).’”  

ابن ماجة:١٢٠٨ – حَدَّثَنَا مُحَمَّدُ بْنُ يَحْيَى حَدَّثَنَا مُحَمَّدُ بْنُ يُوسُفَ حَدَّثَنَا سُفْيَانُ عَنْ جَابِرٍ عَنِ الْمُغِيرَةِ بْنِ شُبَيْلٍ عَنْ قَيْسِ بْنِ أَبِي حَازِمٍ عَنِ الْمُغِيرَةِ بْنِ شُعْبَةَ قَالَ

قَالَ رَسُولُ اللَّهِ ﷺ إِذَا قَامَ أَحَدُكُمْ مِنَ الرَّكْعَتَيْنِ فَلَمْ يَسْتَتِمَّ قَائِمًا فَلْيَجْلِسْ فَإِذَا اسْتَتَمَّ قَائِمًا فَلاَ يَجْلِسْ وَيَسْجُدْ سَجْدَتَىِ السَّهْوِ  

ahmad:18223 – Ḥajjāj > Sufyān > Jābir > al-Mughīrah b. Shibl > Qays b. Abū Ḥāzim > al-Mughīrah b. Shuʿbah

“The Messenger of Allah ﷺ said: ‘If anyone of you stands after two Rak’ah, if he has not yet stood up fully, let him sit down again, but if he has stood up fully, then let him not sit down, and let him perform two prostrations for forgetfulness (Sahw).’” (Using translation from Ibn Mājah 1208)   

أحمد:١٨٢٢٣ – حَدَّثَنَا حَجَّاجٌ قَالَ سَمِعْتُ سُفْيَانَ عَنْ جَابِرٍ عَنِ الْمُغِيرَةِ بْنِ شِبْلٍ عَنْ قَيْسِ بْنِ أَبِي حَازِمٍ عَنِ الْمُغِيرَةِ بْنِ شُعْبَةَ قَالَ

قَالَ رَسُولُ اللهِ ﷺ إِذَا قَامَ أَحَدُكُمْ فَلَمْ يَسْتَتِمَّ قَائِمًا فَلْيَجْلِسْ وَإِذَا اسْتَتَمَّ قَائِمًا فَلَا يَجْلِسْ وَيَسْجُدُ سَجْدَتَيِ السَّهْوِ  

bayhaqi:3844 – Abū ʿAbdullāh al-Ḥāfiẓ And ʾAbū Saʿīd b. Abū ʿAmr > Abū al-ʿAbbās Muḥammad b. Yaʿqūb > Usayd b. ʿĀṣim > al-Ḥusayn b. Ḥafṣ > Sufyān > Jābir > al-Mughīrah b. Shubayl al-Aḥmasī > Qays b. Abū Ḥāzim > al-Mughīrah b. Shuʿbah

The Prophet ﷺ said: When an imam stands up at the end of two rak'ahs , if he remembers before standing straight up, he should sit down, but if he stands straight up, he must not sit down, but perform the two prostrations of forgetfulness. Abu Dawud said: I have not narrated in this book of mine any hadith from Jabir Al-Ju'fi (one of the narrators) except this one. (Using translation from Abū Dāʾūd 1036)   

البيهقي:٣٨٤٤ – أَخْبَرَنَا أَبُو عَبْدِ اللهِ الْحَافِظُ وَأَبُو سَعِيدِ بْنُ أَبِي عَمْرٍو قَالَا ثنا أَبُو الْعَبَّاسِ مُحَمَّدُ بْنُ يَعْقُوبَ ثنا أُسَيْدُ بْنُ عَاصِمٍ ثنا الْحُسَيْنُ بْنُ حَفْصٍ عَنْ سُفْيَانَ ثنا جَابِرٌ ثنا الْمُغِيرَةُ بْنُ شُبَيْلٍ الْأَحْمَسِيُّ عَنْ قَيْسِ بْنِ أَبِي حَازِمٍ عَنِ الْمُغِيرَةِ بْنِ شُعْبَةَ قَالَ

قَالَ رَسُولُ اللهِ ﷺ إِذَا قَامَ الْإِمَامُ فِي الرَّكْعَتَيْنِ فَإِنْ ذَكَرَ قَبْلَ أَنْ يَسْتَتِمَّ قَائِمًا فَلْيَجْلِسْ وَإِنِ اسْتَتَمَّ قَائِمًا فَلَا يَجْلِسْ وَيَسْجُدْ سَجْدَتَيِ السَّهْوِ