// OpenaiHIGH
Zenity researchers disclosed two zero-click browser hijacking vulnerabilities affecting ChatGPT Atlas and Claude in Chrome, allowing attackers to conduct account takeovers, phishing, and unauthorized transactions via malicious emails and X posts. The vulnerabilities were reported to OpenAI and Anthropic in late 2025 and early 2026 but remain unpatched as of August 2026.
- Zero-Click AI Browser Hacking: Claude and ChatGPT Atlas Hijacked(opens in a new tab)
- Claude in Chrome Exploit Lets Attackers Steal Gmail Codes and Ta(opens in a new tab)
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