nisten/shaiscan: A POSIX Shell Script Vulnerability Scanner for the Shai-Hulud Worm
nisten/shaiscan is a single POSIX shell script that passively scans for the Mini Shai-Hulud worm (CVE-2026-45321) using ripgrep. It requires no extra dependencies beyond awk, find, and grep, works on Linux and macOS, and is designed for anyone needing to detect this supply-chain worm.