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#6 SecurityWeek general May 08, 2026 at 06:53 UTC

Vulnerability in Claude Extension for Chrome Exposes AI Agent to Takeover

By Ionut Arghire

AI Summary

A vulnerability in Anthropic's Claude Chrome extension allowed any other installed browser extension to inject prompts and hijack the Claude AI agent, stemming from lax extension permissions and improper trust implementation. The flaw is a concrete example of the prompt injection attack surface introduced by agentic AI browser integrations.

Read full article → https://www.securityweek.com/vulnerability-in-clau…

Relevance score: 75.0/100

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