DeFi protocol Fluid has announced that it has identified and controlled a vulnerability affecting its off-chain Merkle reward distribution infrastructure. According to Foresight News, the core protocol and smart contracts remain unaffected, ensuring user funds are secure. The impacted contracts are not part of the core protocol infrastructure and are solely used for reward distribution, with minimal contract balances involved. The team is currently investigating the incident and plans to release a detailed post-event report soon.