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MetaMask exits affected Lido Ethereum validators after security incident

MetaMask has started exiting affected Ethereum validators after an infrastructure security incident, moving the issue beyond investigation without evidence of a wallet compromise. The exits affect MetaMask Staking validators in Lido, with downtime penalties and lost staking rewards in play as ETH moves through validator exit, withdrawal, and re-entry. Lido says stETH holders need no action, and the final validators are expected to enter the exit process by October 7, 2026.

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8h

MetaMask disclosed an infrastructure security incident and announced precautionary exits of affected Ethereum validators.

8h

Lido said MetaMask Staking validators in its protocol had begun exiting and that final validators were expected to be exited by October 7, 2026.

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