Firefox Browser

Platform

Threat entity extracted from intelligence sources

Frequency

2

occurrences

First Seen

March 6, 2026

Last Seen

April 21, 2026

Overview

Recent Events

Relationships

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Related Clusters (2)

Mozilla and AI Collaboration Uncovers 22 High-Severity Vulnerabilities in Firefox

Mar 6·33 sources

AI Model Claude Mythos Identifies 271 Vulnerabilities in Firefox

Apr 22·29 sources

Related Articles (2)

Mozilla says it patched 271 Firefox vulnerabilities thanks to Anthropic's Claude Mythos

Engadget·Apr 21

Anthropic's AI Hacked the Firefox Browser. It Found a Lot of Bugs.