Yes, such browsers exist, but they are very few, and most often – these are already very outdated versions of them, which are quite difficult to find on the Internet and which have not had any special protection for a long time. That is, you can use them, but at your own risk. Here, by the way, there is more information about what browsers support flash – https://cross-browser.org/blog/what-browsers-support-flash-in-2024/ . Perhaps you will find here the necessary information for yourself.