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securitySecurity/THREATS/HIGH

Anthropic Finds 22 Firefox Vulnerabilities Using Claude Opus 4.6 AI Model

sourceThe Hacker News
calendar_todayMarch 7, 2026
schedule1 min read
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EXECUTIVE SUMMARY

Anthropic's AI Model Uncovers 22 Vulnerabilities in Firefox

Summary

Anthropic has identified 22 security vulnerabilities in the Firefox web browser using their Claude Opus 4.6 AI model. These findings are part of a security collaboration with Mozilla, and the issues have been addressed in the latest Firefox release.

Key Points

  • Anthropic discovered 22 vulnerabilities in Firefox.
  • 14 vulnerabilities are classified as high severity.
  • 7 vulnerabilities are classified as moderate severity.
  • 1 vulnerability is classified as low severity.
  • The vulnerabilities were identified over a two-week period.
  • The issues have been addressed in Firefox version 148, released last month.

Analysis

The discovery of these vulnerabilities highlights the effectiveness of AI models in identifying security issues. The collaboration between Anthropic and Mozilla demonstrates a proactive approach to enhancing browser security. Addressing these vulnerabilities promptly in Firefox 148 ensures that users are protected against potential threats.

Conclusion

IT professionals should ensure that Firefox is updated to version 148 to mitigate the risks associated with these vulnerabilities. Continuous monitoring and collaboration with AI-driven solutions can significantly enhance security measures.