Browser security firm SquareX claims to have found a potentially critical vulnerability in Perplexity’s Comet AI browser.
Cybersecurity experts at SquareX claims to have found a major vulnerability in Comet, the AI browser built by Perplexity, ...
New research out today from browser security company SquareX Ltd. is warning of a hidden application programming interface in Perplexity AI Inc.’s Comet browser that allows extensions in the ...
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Obscure MCP API in Comet Browser Breaches User Trust, Enabling Full Device Control via AI Browsers
Palo Alto, California, November 19th, 2025, CyberNewsWireSquareX released critical research exposing a hidden API in Comet ...
The undocumented system-level API within the Comet AI browser enables embedded extensions to execute commands and launch applications.
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