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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4 intel reports
A high-severity out-of-bounds write vulnerability in the Node.js Brotli decoder (Node2Shell) allows remote code execution when processing malformed compressed data.
Chinese-speaking and English-speaking threat actors are using the Cairn AI penetration testing tool to automate vulnerability discovery and web shell deployment against global e-commerce and retail targets.
Unauthenticated attackers are exploiting CVE-2026-88771 in NetScaler ADC and Gateway appliances using a multi-stage log-poisoning technique to achieve remote code execution and deploy web shells.
StyleSmuggler is an unauthenticated remote code execution vulnerability (CVE-2026-75650) in Adobe Commerce and Magento exploited to deploy persistent implants and web shells.