If this package is installed
Remove it, treat the machine (or CI runner) as compromised, and rotate every secret, token and key it could access — from a different, clean machine.
Details
Source: amazon-inspector (be1a5728b472335e46d1df74becaf6355424f1f32d068bb517c079d88cacc03c)
The package's postinstall hook auto-executes index.js on npm install. The script collects the installer's OS username (os.userInfo().username), hostname (os.hostname()), and current working directory, serializes them as JSON, and POSTs the payload to a hardcoded webhook.site endpoint (https://webhook.site/7088d897-5b86-4deb-8d29-5b7a263a49b4). Request errors are silently swallowed to avoid alerting the installer. There is no documented purpose, no consent prompt, and no configuration option — the beacon fires unconditionally on install and transmits installer identity to an attacker-controlled collector.
Source: ghsa-malware (dd22e28563599a42a6e24483bb8a95fab6f272be26b452ddb9d8eb4b8390b42a)
Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.