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Cover image for Node2Shell: Node.js Brotli Remote Code Execution Vulnerability

Node2Shell: Node.js Brotli Remote Code Execution Vulnerability

A high-severity out-of-bounds write vulnerability in the Node.js Brotli decoder (Node2Shell) allows remote code execution when processing malformed compressed data.

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Tim Peck@timpeck17 hours ago

5 intel reports

The threat actor Nightmare Eclipse released the RoguePlanet zero-day exploit (CVE-2026-50656) targeting a race condition in Microsoft Defender to achieve SYSTEM privileges on Windows 10 and 11.

The GreatXML exploit by researcher Nightmare-Eclipse abuses the Windows Recovery Environment and Defender Offline Scan state to bypass BitLocker encryption using a malicious unattend.xml file.

Chaotic Eclipse is leveraging zero-day vulnerabilities YellowKey and MiniPlasma to bypass BitLocker and achieve SYSTEM-level privilege escalation on Windows 11 and Server environments.