Balancer suffers $116M exploit targeting wrapped ETH

Balancer, one of the oldest DeFi protocols, has been exploited on multiple ￰1￱ an hour, the estimated losses expanded from $70M to over $116M. Balancer was the target of the most recent attack against DeFi, targeting wrapped ETH and other assets on multiple ￰2￱ initial estimates were for losses of $70M, but the attack was ongoing, quickly reaching $116M. The Balancer attack arrived after several relatively quiet months, when hackers selected more obscure ￰3￱ may line up among the biggest DeFi hacks for ￰4￱ after the exploit, a whale dormant for over three years moved in to withdraw the entire stake from Balancer. A whale 0x0090, dormant for 3 years, just woke up after the #Balancer exploit — rushing to withdraw all $6.5M from the #Balancer.

If you still have funds on #Balancer , ⚠️ take action and secure them now. ￰0￱ ￰5￱ — Lookonchain (@lookonchain) November 3, 2025 As DeFi protocols remain more popular for passive yield, they also become more attractive for ￰6￱ was exploited for $91M on the Ethereum L1 chain, though assets were also taken on Arbitrum, Base, and ￰7￱ after the initial attack, the hacker started splitting the assets to new ￰8￱ exploited through ongoing smart contract interactions The current Balancer hack may be due to a flawed smart contract, which allowed the attacker to mint unauthorized ￰9￱ of the token interactions included functions like ‘approve infinite wstETH’.

Balancer vaults were attacked with calls to send unauthorized tokens. |