When Claude Became a Bug Hunter: How an AI Found 22 Firefox Vulnerabilities in Two Weeks

When Claude Became a Bug Hunter: How an AI Found 22 Firefox Vulnerabilities in Two Weeks

In February 2026, a focused collaboration between Anthropic and Mozilla demonstrated a new phase in vulnerability research: large language models (LLMs) moving beyond assistance into active, high-throughput discovery. Over a two-week engagement, Claude Opus 4.6 performed deep analysis of the Firefox codebase and surfaced 22 distinct security flaws. The scope and speed of these findings — especially the 14 issues

Chrome 0‑Day Under Active Attack: CVE‑2026‑2441 — What You Need to Do Now

Chrome 0‑Day Under Active Attack: CVE‑2026‑2441 — What You Need to Do Now

Google has released an emergency patch for a high‑severity zero‑day in Chrome after confirming active exploitation in the wild. Tracked as CVE‑2026‑2441, the vulnerability is a use‑after‑free bug in Chrome’s CSS handling that can enable remote code execution when a user visits crafted web content. How the flaw works CVE‑2026‑2441 arises from improper lifecycle management of objects in the rendering