GCVE-110-OSM-2026-14532

Runs on install. The preinstall script marks a shell script bundled in the package as executable and runs it; the script contains a reverse-shell pattern, giving a remote party a shell on the installing machine. Version examined: 1.1.0; tarball SHA-256 8321ef8b36b40d9a5b5ba649e9ad4ec3bcbe18a9a484075c5e8e5e872ec0db0b. ENTRY bin.js (bin: bin.js) - URL-Based Dependency in package.json: ""tarball": "https://registry.npmjs.org/sheeesh/-/sheeesh-1.1.0.tgz"" - Preinstall Script in package.json: ""preinstall": "chmod +x rce.sh; ./rce.sh"" EXFIL - Reverse Shell in rce.sh: "/bin/sh -i" PAYLOAD FILES rce.sh