Saturday, October 4, 2025

Comet Jacking: The Risks of a Single Click Turning Perplexity’s Comet AI Browser Into a Threat

Uncovering a Dangerous AI Browser Vulnerability

New research from LayerX reveals a critical flaw in the Comet browser, powered by AI, illustrating how a single weaponized URL can enable attackers to steal sensitive data without phishing for user credentials.

Key Findings:

  • Exfiltration Threat: A crafted link can hijack the browser, allowing exposure of emails, calendar details, and more.
  • Simple Process:
    • Step 1: User clicks a malicious link.
    • Step 2: Hidden commands execute, instructing the AI.
    • Step 3: Sensitive data is encoded and sent to attacker-controlled servers.

Implications:

  • This vulnerability shifts the landscape of cybersecurity, turning browsers into potential insider threats.
  • Attackers can manipulate AI browsers to bypass data protection by simply exploiting user consent.

Call to Action: As AI browsers evolve, so must our security measures. Share this summary and discuss how we can safeguard our technology against these emerging threats. Let’s lead the conversation on AI security!

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