Abdullah bin Umar reported,

The Messenger of Allah ﷺ stood up and said, "None of you should milk another man's livestock without his permission. Would any of you like for someone to come to his storeroom, break the door of his pantry, and take away his food? The udders of their livestock store their food for them, so let none of you milk another man's livestock without his permission."

Ibn Majah 2302

Sahih

حدثنا محمد بن رمح قال أنبأنا الليث بن سعد عن نافع

عن عبد الله بن عمر

عن رسول الله ﷺ أنه قام فقال لا يحتلبن أحدكم ماشية رجل بغير إذنه أيحب أحدكم أن تؤتى مشربته فيكسر باب خزانته فينتثل طعامه فإنما تخزن لهم ضروع مواشيهم أطعماتهم فلا يحتلبن أحدكم ماشية امرئ بغير إذنه

ابن ماجه 2302صحيح
Contents
Reference
Commentary
Ayat
Collection
Sunan Ibn Majah
Book
Trade
Chapter
Prohibition of taking anything from it except with the owner's permission
Numbering
Darussalam 2302
Ibn Majah 2302