Cross-chain protocol Allbridge halts after $1.65 million flash loan exploit

FinanceCross-chain protocol Allbridge halts after $1.65 million flash loan exploitThe attacker used a $1.12 million flash loan from Kamino to manipulate pool ratios, enabling them to withdraw assets at favorable rates before bridging funds.By Francisco Rodrigues, AI Boost|Edited by Jamie Crawley Jul 20, 2026, 9:31 a.m. 1 min readMake preferred on ShareShare this articleCopy linkX iconX (Twitter)LinkedInFacebookEmailMake preferred on SummaryShowAllbridge Core paused its protocol following a $1.65 million flash loan exploit on its Solana liquidity pools.The attacker used a $1.12 million flash loan from Kamino to manipulate pool ratios, enabling them to withdraw assets at favorable rates before bridging funds.Allbridge paused operations for investigation and advised liquidity providers to withdraw, while also asking traders who profited from the imbalance to return funds.Allbridge Core has paused its cross-chain stablecoin protocol after an attacker stole roughly $1.65 million from its Solana liquidity pools, according to security firms CertiK and PeckShield.Allbridge is a bridge that lets users move assets between blockchains that do not communicate directly. Its Core product uses liquidity pools to transfer native stablecoins such as USDC and USDT without issuing wrapped versions of the assets.The attacker used a $1.12 million flash loan from Solana lending protocol Kamino to rapidly swap USDC and USDT, manipulating the pools’ internal ratios before withdrawing assets at favorable rates, according to Onchain Lens. A flash loan is a loan taken and repaid within the same transaction.The stolen assets were bridged to an Ethereum address and dispersed across additional addresses. It isn’t currently clear how much remains under the attacker’s control.Allbridge said it paused the protocol while investigating, and told liquidity providers to withdraw from affected pools. The initial manipulation left the pools imbalanced and created a temporary arbitrage opportunity. All…

Cross-chain protocol Allbridge halts after $1.65 million flash loan exploit

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