It was narrated from Ubayy bin Ka’b that the Messenger of Allah (ﷺ) used to pray Witr and he would recite Qunut before Ruku’
Hadith No. 1182
Sunan Ibn Majah
Gradings:
Al-Albani:
Sahih
Muhammad Fouad Abd al-Baqi:
Sahih
Shuaib Al Arnaut:
Sahih
Zubair Ali Zai:
Sahih