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CRITICALEthereum, Arbitrum, Base, Polygon, Sonic, Optimism·Composable Stable Pools Exploit·#25 all-time

Balancer V2

$128.0M stolenMonday, November 3, 2025 · 221 days ago

Situation Summary

11/3/2025 — EXPLOIT DETECTED

Balancer V2 was exploited via a composable stable pools exploit attack on the Ethereum, Arbitrum, Base, Polygon, Sonic, Optimism network. Approximately $128.0M in funds were drained from the protocol.

TECHNIQUE: COMPOSABLE STABLE POOLS EXPLOIT

The attacker used a composable stable pools exploit vector to drain funds. Check the social reactions below for community analysis and on-chain investigation threads.

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Data: DefiLlama · Monitoring Room