[NEWSLETTER]score: 0.95
LLMReaper Chrome Extension PoC Exfiltrates Full ChatGPT, Claude, Gemini Conversations
June 1, 2026
LLMReaper is a proof-of-concept Chrome extension using MutationObserver to scrape and exfiltrate real-time conversations from ChatGPT, Claude, and Gemini, including usernames and secrets pasted into chats. The PoC demonstrates that malicious browser extensions have full access to AI assistant session data.
HOW THIS AFFECTS YOU
●
builderEnterprise deployments of AI assistants should enforce browser extension allowlists — this PoC confirms that any installed extension can silently exfiltrate all conversation data.
●
policyThis demonstrates a concrete data exfiltration path for sensitive AI conversations that bypasses platform-level controls entirely, relevant to enterprise AI governance policies.