Abdur Rahman al-Salami reported: Umar ibn al-Khattab, may Allah be pleased with him, was asked to judge a woman who had been suffering from thirst. She had passed by a shepherd and asked him for water. The man refused to give her anything unless she offered herself to him, so she had intercourse with him. Umar consulted the people whether she should be punished for adultery. Ali ibn Abi Talib, may Allah be pleased with him, said, “This is compulsion. I believe you should set her free.” Thus, Umar set her free.
Source: al-Sunan al-Kubrá 15673
Grade: Sahih (authentic) according to Al-Albani
Ibn Qudamah said, “There is no legal punishment upon a rape victim according to the general opinion of the scholars. It has been narrated from Umar, Al-Zuhri, Qatadah, Al-Thawri, Al-Shafi’i, and the people of reasoning. We do not know of any disagreement… There is no difference between rape by force, which is he had overpowered her, or rape by threat of death and so on.”
Source: al-Mughnī 9/59
عَنْ أَبِي عَبْدِ الرَّحْمَنِ السُّلَمِيِّ قَالَ أُتِيَ عُمَرُ بْنُ الْخَطَّابِ رَضِيَ اللَّهُ عَنْهُ بِامْرَأَةٍ جَهَدَهَا الْعَطَشُ فَمَرَّتْ عَلَى رَاعٍ فَاسْتَسْقَتْ فَأَبَى أَنْ يَسْقِيَهَا إِلا أَنْ تُمَكِّنَهُ مِنْ نَفْسِهَا فَفَعَلَتْ فَشَاوَرَ النَّاسَ فِي رَجْمِهَا فَقَالَ عَلِيٌّ رَضِيَ اللَّهُ عَنْهُ هَذِهِ مُضْطَرَّةٌ أَرَى أَنْ نُخْلِيَ سَبِيلَهَا فَفَعَلَ
15673 السنن الكبرى للبيهقي كتاب النفقات
7/341 المحدث الألباني خلاصة حكم المحدث إسناده جيد في إرواء الغليل
قال ابن قدامة وَلَا حَدَّ عَلَى مُكْرَهَةٍ فِي قَوْلِ عَامَّةِ أَهْلِ الْعِلْمِ رُوِيَ ذَلِكَ عَنْ عُمَرَ وَالزُّهْرِيِّ وَقَتَادَةَ وَالثَّوْرِيِّ وَالشَّافِعِيِّ وَأَصْحَابِ الرَّأْيِ وَلَا نَعْلَمُ فِيهِ مُخَالِفًا … وَلَا فَرْقَ بَيْنَ الْإِكْرَاهِ بِالْإِلْجَاءِ وَهُوَ أَنْ يَغْلِبَهَا عَلَى نَفْسِهَا وَبَيْنَ الْإِكْرَاهِ بِالتَّهْدِيدِ بِالْقَتْلِ وَنَحْوِهِ
9/59 المغني فصل أكرهت على الزنا