Anthropic's Mythos AI has raised significant security concerns within the decentralized finance (DeFi) sector after swiftly identifying a 27-year-old bug in the Linux kernel. According to NS3.AI, security experts have cautioned that open-source DeFi protocols and cross-chain bridges could be vulnerable to automated attacks that may go unnoticed by human oversight. The discovery highlights the potential risks associated with relying on open-source systems in the rapidly evolving DeFi landscape, emphasizing the need for enhanced security measures to protect against such vulnerabilities.