Anthropic's Claude Mythos Found 271 Vulnerabilities in Mozilla Firefox: New 150 Release Fixes Them

The Mozilla Firefox 150 update is here with 271 fixes for vulnerabilities found by Claude Mythos AI, Anthropic's latest, most ...
The Hacker News

Cohere AI Terrarium Sandbox Flaw Enables Root Code Execution, Container Escape

CVE-2026-5752 CVSS 9.3 flaw in Terrarium enables root code execution via Pyodide prototype traversal, risking container ...
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Mozilla patched 271 Firefox bugs found by Anthropic’s Mythos, and says the zero-day era has an expiration date

Firefox 150 ships 271 bug fixes found by Claude Mythos Preview. Mozilla says the defects are finite. The UK AI Security Institute says the model can also attack autonomously.