A vulnerability in LayerZero's default cross-chain message validation setting has left $178 million in assets susceptible to potential message forgery and theft. According to NS3.AI, Fishy Catfish highlighted that this broader issue could have endangered over $3 billion in Omnichain Fungible Tokens. Banteg noted that significant projects, such as Ethena and EtherFi, ceased using the setting a few weeks ago.