OpenSSF/OSV advisory MAL-2026-12798 confirms this npm version as malicious. npm-groat@1.1.1 declares a postinstall script that executes dist/config.js on npm install. That script performs an outbound fetch to https://my-api.trade-api.workers.dev?id=0 and then evaluates the response by calling globalThis[data.success](data.id) — treating attacker-controlled JSON fields as the name of a global function (e.g. eval or Function) and its argument...
Source
OpenSSF Malicious Packages via OSV
Summary
Malicious code in npm-groat (npm)
Details
npm-groat@1.1.1 declares a postinstall script that executes dist/config.js on npm install. That script performs an outbound fetch to https://my-api.trade-api.workers.dev?id=0 and then evaluates the response by calling globalThis[data.success](data.id) — treating attacker-controlled JSON fields as the name of a global function (e.g. eval or Function) and its argument. This gives the remote endpoint arbitrary code execution on the installer's host during package installation. The same file also contains a bare globalThis[tag](text) referencing undeclared identifiers, consistent with a dead-drop stager rather than legitimate configuration. The package's advertised purpose has no need to contact a remote server at install time.
Decision reason
OpenSSF Malicious Packages via OSV confirms npm-groat@1.1.2 as malicious (MAL-2026-12798): Malicious code in npm-groat (npm)