The Base vault incident later reached approximately 1,783 wstETH, worth roughly $6 million, according to the reported security-firm estimates.

verified span

“An unidentified vault on Base, the Ethereum layer-2 (L2) network incubated by Coinbase, lost about 1,783 wrapped staked Ether (wstETH), worth roughly $6 million, on Sunday, October 4, 2026.”