Posts Tagged ‘cve-2026-41091’

The Nightmare Eclipse Windows zero-day trilogy has moved from proof-of-concept code on GitHub to a confirmed, real-world intrusion: Huntress found BlueHammer, RedSun, and UnDefend deployed together in one attack chain that started with a compromised FortiGate VPN appliance. What Happened A researcher operating under the handle “Nightmare Eclipse” (also seen as “Chaotic Eclipse”) has published…