Chrome vs Comet: Security Concerns Rise as AI Browsers Face Major Vulnerability Reports

The era of AI browsers is inevitable — the question is not if, but when everyone will use one. While Chrome continues to dominate across desktops and mobiles, the emerging AI-powered browser Comet has been making waves. However, growing concerns about privacy and cybersecurity have placed these new AI browsers under intense scrutiny. 

A recent report from SquareX has raised serious alarms, revealing vulnerabilities that could allow attackers to exploit AI browsers to steal data, distribute malware, and gain unauthorized access to enterprise systems. According to the findings, Comet was particularly affected, falling victim to an OAuth-based attack that granted hackers full access to users’ Gmail and Google Drive accounts. Sensitive files and shared documents could be exfiltrated without the user’s knowledge. 

The report further revealed that Comet’s automation features, which allow the AI to complete tasks within a user’s inbox, were exploited to distribute malicious links through calendar invites. These findings echo an earlier warning from LayerX, which stated that even a single malicious URL could compromise an AI browser like Comet, exposing sensitive user data with minimal effort.
 

Experts agree that AI browsers are still in their infancy and must significantly strengthen their defenses. SquareX CEO Vivek Ramachandran emphasized that autonomous AI agents operating with full user privileges lack human judgment and can unknowingly execute harmful actions. This raise

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