Anthropic used Claude Opus 4.6 to identify 22 Firefox vulnerabilities, most of which were high severity, all of which were fixed in Firefox 148, released in January 2026. Anthropic discovered 22 security vulnerabilities in Firefox using its Claude Opus 4.6 AI model in January 2026. Mozilla addressed these issues in Firefox 148. The researchers state … Continue reading Anthropic Claude Opus AI model discovers 22 Firefox bugs