I have found a big bug vulnerability

I was utilizing binance as standard opened up a p2p trade My inteernet connection was not working nicely so the binance page was not properly loaded so i turned the binance tab Then I was doing my work for fun on an extension Once I had opened the commerce page once more the quantity was released to me by mistake from seller I knew vendor So I requested him He stated he hadnt launched it So I used these steps again amount again received released to me (Seller was totally different this time)I attempted again it labored again I have multiple occasions informed binance bounty program as nicely help however they don't take heed to me and repair it