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 undefined at: https://hackernoon.com/c/undefined . 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.