---
title: "Summer Finance Pauses Vaults After $65.4M Flash Loan Attack Triggers $6M Loss"
url: https://thecoingazette.com/summer-finance-pauses-vaults-after-65-4m-flash-loan-attack-triggers-6m-loss/
date: 2026-07-06
modified: 2026-07-06
author: "Coin Gazette Editorial"
description: "On Monday, July 6, the DeFi protocol Summer Finance was hit by a sophisticated flash loan and price manipulation attack, resulting in an estimated loss of $6 million. Security Firms..."
categories:
  - "Crypto News"
  - "Security"
tags:
  - "Cybersecurity"
  - "Decentralized finance (Defi)"
  - "flash loan attack"
  - "security"
image: https://thecoingazette.com/wp-content/uploads/2026/07/summer-finance-pauses-vaults-after-65-4m-flash-loan-attack-triggers-6m-loss.jpg
word_count: 56
---

# Summer Finance Pauses Vaults After $65.4M Flash Loan Attack Triggers $6M Loss

![computer keyboard with red key featuring the white text EXPLOIT](https://static.news.bitcoin.com/wp-content/uploads/2026/07/summer-finance-pauses-vaults-after-65-4m-flash-loan-triggers-6m-loss-768x432.jpg)On Monday, July 6, the DeFi protocol Summer Finance was hit by a sophisticated flash loan and price manipulation attack, resulting in an estimated loss of $6 million. Security Firms Flag Breach Blockchain security firms reported Monday, July 6, a major security breach targeting Summer Finance, a decentralized finance ( DeFi) yield optimization protocol. According […]