Insignary Releases Free Insignary-Chk Tool to Detect PHP2Shell and Node2Shell Exposure

This story was originally published on HackerNoon at: https://hackernoon.com/insignary-releases-free-insignary-chk-tool-to-detect-php2shell-and-node2shell-exposure. Node2Shell (CVE-2026-111497) is an out-of-bounds write flaw in Google’s Brotli decompression library, which Node.js bundles. Specially crafted Check more stories related to cybersecurity at: https://hackernoon.com/c/cybersecurity. You can also check exclusive content about #cybersecurity, #cybercrime, #cybernewswire, #cyber-threats, #cyber-attack, #cybersecurity-tips, #cyber-resilience, #good-company, and more. This story was written by: @cybernewswire. Learn more about this writer by checking @cybernewswire's about page, and for more stories, please visit hackernoon.com. Insignary released insignary-chk, a free tool that checks for PHP2Shell and Node2Shell, two recently disclosed runtime vulnerabilities affecting PHP and Node.js. The tool is a single file that requires no installation or registration and sends no data over the network unless the user chooses to fix the issues.