---
title: Cross-Chain Protocol Allbridge Halts Operations After $1.65M Exploit
url: >-
  https://www.cryptocatalyst.news/articles/2026-07-20-cross-chain-protocol-allbridge-halts-operations-after-165m-exploit
canonical: >-
  https://www.cryptocatalyst.news/articles/2026-07-20-cross-chain-protocol-allbridge-halts-operations-after-165m-exploit
date: '2026-07-20T21:16:18.845730+00:00'
category: defi
tags:
  - allbridge
  - flashloan
  - exploit
  - crosschain
  - defi
  - security
source: CoinDesk
source_url: >-
  https://www.coindesk.com/business/2026/07/20/cross-chain-protocol-allbridge-halts-after-usd1-65-million-flash-loan-exploit
publisher: CryptoCatalyst
summary: >-
  Cross-chain protocol Allbridge suspends operations after a $1.65M flash loan
  exploit. Attacker used a $1.12M loan from Kamino to manipulate pool ratios and
  bridge funds.
image: >-
  https://www.cryptocatalyst.news/images/articles/2026-07-20-cross-chain-protocol-allbridge-halts-operations-after-165m-exploit.webp
generated_by: automated editorial pipeline
---
# Cross-Chain Protocol Allbridge Halts Operations After $1.65M Exploit

Allbridge, a cross-chain protocol, has temporarily halted operations following a $1.65 million exploit involving a flash loan. The attacker manipulated pool ratios to withdraw assets at favorable rates before bridging funds.

Allbridge, a cross-chain protocol that facilitates the transfer of assets between different blockchain networks, has temporarily suspended its services after a $1.65 million exploit. The attack involved a $1.12 million flash loan from Kamino, a decentralized lending platform, to manipulate the ratios of liquidity pools on the protocol.

The attacker used the flash loan to create artificial price discrepancies in the pools, allowing them to withdraw assets at more favorable rates. After manipulating the pool ratios, the attacker bridged the funds to other networks, effectively exploiting the protocol's mechanisms to siphon off the funds.

This incident highlights the risks associated with cross-chain protocols and the potential vulnerabilities in decentralized finance (DeFi) systems. For everyday users, it serves as a reminder to exercise caution when using such platforms, especially those that involve complex financial mechanisms like flash loans and liquidity pools.

Allbridge has not yet provided a timeline for resuming operations or details on how it plans to address the exploit. Users are advised to monitor official channels for updates and to avoid interacting with the protocol until further notice.

## Source

This article is a summary of reporting by [CoinDesk](https://www.coindesk.com/business/2026/07/20/cross-chain-protocol-allbridge-halts-after-usd1-65-million-flash-loan-exploit), written by an automated editorial pipeline. See https://www.cryptocatalyst.news/editorial-policy.

## How to cite

CryptoCatalyst.news, "Cross-Chain Protocol Allbridge Halts Operations After $1.65M Exploit", 2026-07-20, https://www.cryptocatalyst.news/articles/2026-07-20-cross-chain-protocol-allbridge-halts-operations-after-165m-exploit