Comet Browser — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
10
occurrences
First Seen
November 19, 2025
Last Seen
March 23, 2026

Related Threat Clusters

Recent Intelligence Reports

  • AI agents are 'gullible' and easy to turn into your minions — Theregister · March 23, 2026
  • Perplexity’s Comet Browser Hijacked Using Calendar Invite to Exfiltrate Sensitive Data — Cybersecuritynews · March 4, 2026
  • SquareX warns browser flaws now key threat to firms — Securitybrief.Co.Nz · December 10, 2025
  • SquareX warns browser flaws now key threat to firms — Securitybrief.Au · December 10, 2025
  • Perplexity responds to Comet browser vulnerability claims, argues "fake news" — Techradar · November 23, 2025
  • SquareX and Perplexity Quarrel Over Alleged Comet Browser Vulnerability — Securityweek · November 21, 2025
  • SquareX and Perplexity Quarrel Over Alleged Comet Browser Vulnerability — Feeds.Feedburner · November 21, 2025
  • Obscure MCP API in Comet Browser Breaches User Trust, Enabling Full Device Control via AI Browsers — Gbhackers · November 19, 2025

CVSS v3.1 Breakdown