Ethics

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Brave Uncovers Vulnerability in Perplexity Comet's AI Assistant, Enabling Malicious Prompt Injection

Brave Uncovers Vulnerability in Perplexity Comet's AI Assistant, Enabling Malicious Prompt Injection

Aug 20, 2025
Brave

Brave uncovers a vulnerability in Perplexity Comet's AI assistant that enables malicious prompt injection, allowing attackers to manipulate it into performing unauthorized actions like data exfiltration; mitigations include separating user instructions, checking alignment, requiring interaction for sensitive tasks, and isolating agentic browsing.

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