Malicious code in n8n-nodes-sysdiag (npm)
- Product
- n8n-nodes-sysdiag (npm)
- Affected
- n8n-nodes-sysdiag 1.0.0 to 1.0.4
- Fixed in
- No fix yet
Last verified against sources: October 26, 2026
Am I affected?
n8n-nodes-sysdiag (npm): affected n8n-nodes-sysdiag 1.0.0 to 1.0.4. No fix has been reported yet.
- Check your version: run
npm ls n8n-nodes-sysdiag. Versions 1.0.1, 1.0.0, 1.0.2, 1.0.4, 1.0.3 of n8n-nodes-sysdiag are affected. [1]
What to do now
- Remove the package if it is installed: run
npm uninstall n8n-nodes-sysdiag. [1] - No patched version is available for n8n-nodes-sysdiag. [1]
General practice, not from the source: if the affected software could read tokens or credentials, rotate them after upgrading; pin versions and review changes before updating tools your agents run.
What happened
- On require() of the package, dist/SysDiagNode.node.js runs a deferred bootstrap that enumerates process.env. [1]
- The bootstrap selects keys matching /^N8N|^DB_|^REDIS|^QUEUE|^EXECUT|KEY|SECR|PASS|ENCRYPT|^PG/. [1]
- The selected values are base64-encoded. [1]
- The selected values are POSTed over HTTPS to the hardcoded bare IP 121.127.33.228:443 at path /api/v1/nodes/compat. [1]
Impact
What was done
- The affected packages are npm/n8n-nodes-sysdiag 1.0.1, 1.0.0, 1.0.2, 1.0.4, 1.0.3 with patched none. [1]
Sources
- MAL-2026-16147 — OSV (Open Source Vulnerabilities)
Every statement above was checked against these sources before publishing. Spotted an error? Tell us and we will correct it with a dated note.
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Malicious code in n8n-nodes-sysdiag (npm)
Product: n8n-nodes-sysdiag (npm) | Affected: n8n-nodes-sysdiag 1.0.0 to 1.0.4 | Fixed in: No fix yet
Summary: On require() of the package, dist/SysDiagNode.node.js runs a deferred bootstrap that enumerates process.env.
Source & remediation on AgentArmorHQ: https://agentarmorhq.com/incidents/2026/09/mal-2026-16147-n8n-nodes-sysdiag-npmCorrections
Report an error or request a correction. We review requests within 5 business days and add a dated correction note.
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