Sahih al-Bukhari 2257
صحيح البخاري#2257SahihNarrated Jabir bin `Abdullah:Allah's Messenger (ﷺ) gave a verdict regarding Shuf'a in every undivided joint thing (property). But if the limits are defined (or demarcated) or the ways and streets are fixed, then there is no pre-emption
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 36:1