Anthropic Finds 22 Firefox Vulnerabilities Using Claude Opus 4.6 AI Model

Summary

Anthropic on Friday said it discovered 22 new security vulnerabilities in the Firefox web browser as part of a security partnership with Mozilla. Of these, 14 have been classified as high, seven have been classified as moderate, and one has been rated low in severity. The issues were addressed in Firefox 148, released late last month. The vulnerabilities were identified over a two-week period in

Metadata

Article ID

#300002

Source

The Hacker News

Scraped At

3/7/2026, 6:00:50 PM

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