---
title: "AI Found an Ethereum Bug That Could Take Validators Offline, but Humans Had to Prove It"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/292378732.md"
description: "The Ethereum Foundation said coordinated AI agents found a remotely triggerable crash bug in gossipsub that could shut down node software and take a validator offline until restarted. According to CoinDesk, the issue was fixed and disclosed as CVE-2026-34219, but the Protocol Security team said human review was needed to separate real vulnerabilities from confident AI false positives, including test-build-only crashes, unreachable attack paths, and uninformative formal-verification results."
datetime: "2026-07-11T12:43:11.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/292378732.md)
  - [en](https://longbridge.com/en/news/292378732.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/292378732.md)
---

# AI Found an Ethereum Bug That Could Take Validators Offline, but Humans Had to Prove It

The Ethereum Foundation said coordinated AI agents found a remotely triggerable crash bug in gossipsub that could shut down node software and take a validator offline until restarted. According to CoinDesk, the issue was fixed and disclosed as CVE-2026-34219, but the Protocol Security team said human review was needed to separate real vulnerabilities from confident AI false positives, including test-build-only crashes, unreachable attack paths, and uninformative formal-verification results.

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