Malicious code in n8n-nodes-data-transformer-utils (npm)
Exploitation and risk
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osv · MAL-2026-16418
Published--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (77b996187dc49e5591ddf3cef428be3a9309e7f5bab48bd4698aed2be0c3dfb0) The package's postinstall.js runs automatically on npm install and combines child_process.execSync with http/https.request and multiple curl invocations to collect host information (including reads of /etc/hosts) and POST/GET the results to a remote endpoint. The file uses a hardcoded hostname target, executes shell commands to gather system data, and transmits it over HTTP without any relation to the package's advertised data-transformation purpose. The package name mimics the n8n community-node naming convention, providing a lure for users seeking legitimate n8n utilities. Installing the package on default settings triggers immediate host reconnaissance and outbound exfiltration to an attacker-controlled destination.
- Source published
- 22 Sep 2026 21:52:37 UTC
- Source modified
- 22 Sep 2026 22:30:06 UTC
- Saved here
- 24 Oct 2026 13:17:17 UTC
- Source terms
- OSV · upstream source license applies
Original source record · Cite this exact observation · Complete original publisher JSON
Source: osv · OSV · upstream source license applies. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.