MetaMask addresses ongoing infrastructure security incident

MetaMask developers reported a security incident affecting part of their infrastructure on the night of September 30, 2026. The firm is working with security advisors to remediate the issue and stated that no immediate threat to user wallets has been identified. As a precaution, the company proactively removed affected validators from its non-custodial staking operations. The firm emphasized that it does not manage withdrawal keys for its staking services.