Riyad as-Salihin, Book 3, Hadith 767 (In-Book) ⓘ
Ibn 'Abbas (May Allah be pleased with them) reported: I served Messenger of Allah Zamzam water to drink and he drank it while he was standing. [Al-Bukhari and Muslim].
وعن ابن عباس رضى الله عنهما قال: سقيت النبي صلى الله عليه وسلم من زمزم، فشرب وهو قائم . .