Sahih al-Bukhari 6648
صحيح البخاري#6648SahihNarrated `Abdullah bin `Umar:Allah's Messenger (ﷺ) said, "Do not swear by your fathers
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: 83:27