Hackers Exploit BTCPay Server Flaw to Steal Bitcoin and Litecoin From Hot Wallets
BTCPay Server, a self-hosted, open-source cryptocurrency payment processor, has urged users to install the latest version of its software in response to reports of Bitcoin and Litecoin being stolen from hot wallets on instances running older versions. "Our investigation found that these attacks targeted servers running BTCPay Server 2.4.1 (released on 23 July 2026) or earlier," BTCPay Server said . "The attackers used a different method to exploit the vulnerability fixed in 2.4.2, released on 7 August 2026." Users who are running versions 2.4.1 or earlier are recommended to move to a fresh server with a new wallet, even in scenarios where users have not noticed a theft. In the event of stolen funds or suspected unauthorized access, it's imperative that users consider the entire machine and all secrets stored on it as compromised and follow the same recovery procedures. It's currently unknown when the attackers behind the campaign first began exploi...
Nov 03, 2026