Allbridge Pauses Cross-Chain Protocol After $1.65M Flash Loan Attack
Allbridge, a cross-chain bridge, has paused its Core protocol after an attacker stole approximately $1.65 million from its Solana stablecoin liquidity pools. The attacker used a $1.12 million flash loan from lending protocol Kamino to skew the pools' internal pricing, the…
Intelligence analysis by Llama

Allbridge has paused its protocol after a flash loan attack drained roughly $1.65 million from its Solana liquidity pools. The attacker used a $1.12 million flash loan to skew the pools' internal pricing, then extracted assets cheaply and bridged them to Ethereum. Allbridge has asked liquidity providers to withdraw and traders who profited from the imbalance to return funds.
Imagine you have a special kind of bank account that lets you move money between different types of banks. But what if someone found a way to cheat the system and take all the money out at once? That's basically what happened to a company called Allbridge, which helps people move money between different types of banks. Someone used a clever trick to take $1.65 million from Allbridge's bank accounts and move it to a different type of bank. Allbridge had to stop its service and ask people to take their money out.
Analysis
A $1.65M Flash Loan Attack Exposes Cross-Chain Bridge Vulnerability
The recent attack on Allbridge's Core protocol is a stark reminder of the risks associated with cross-chain bridges. By exploiting a vulnerability in the protocol's liquidity pools, the attacker was able to extract approximately $1.65 million in assets at a low cost. This incident highlights the need for improved security measures in the cross-chain bridge ecosystem.
How the Attack Unfolded
The attacker used a $1.12 million flash loan from lending protocol Kamino to skew the internal pricing of Allbridge's Solana stablecoin liquidity pools. This allowed the attacker to extract assets cheaply and bridge them to Ethereum. The attack was carried out in a matter of minutes, with the attacker profiting from the resulting imbalance.
Allbridge's Response
In response to the attack, Allbridge has paused its Core protocol and asked liquidity providers to withdraw their funds. The company has also requested that traders who profited from the imbalance return their funds. This incident underscores the need for improved security measures in the cross-chain bridge ecosystem, including the implementation of more robust liquidity pool management systems and the use of advanced security protocols to prevent flash loan attacks.
Key points
- Allbridge's Core protocol was attacked, resulting in the loss of approximately $1.65 million.
- The attacker used a $1.12 million flash loan from lending protocol Kamino to skew the internal pricing of Allbridge's Solana stablecoin liquidity pools.
- Allbridge has paused its Core protocol and asked liquidity providers to withdraw their funds.
- The company has also requested that traders who profited from the imbalance return their funds.
If Allbridge can implement more robust security measures, such as advanced liquidity pool management systems and security protocols to prevent flash loan attacks, it may be able to recover from this incident and continue to provide secure cross-chain bridge services.
The attack on Allbridge's Core protocol highlights the vulnerability of cross-chain bridges to flash loan attacks. If left unaddressed, this vulnerability could lead to further attacks and potentially even more significant losses for users.



