Hadith 5319
Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) narrates: The Prophet Muhammad (peace and blessings be upon him) drank Zamzam water while standing.
Hadith 5320
Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) narrates: The Prophet Muhammad (peace and blessings be upon him) passed by Zamzam. He asked for water. I brought water for him in a bucket, and he drank it while standing.