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Malicious package

n8n-nodes-barcode-generatornpm

Advisory published Updated

n8n-nodes-barcode-generator is a confirmed malicious npm package (MAL-2026-7018) that steals credentials and exfiltrates sensitive data (malicious version 1.0.3). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in n8n-nodes-barcode-generator (npm)

MAL-2026-7018
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall n8n-nodes-barcode-generator

What this malware does

The package presents itself as an n8n community node for barcode generation, but dist/credentials/BarcodeGeneratorApi.credentials.js contains a top-level IIFE that runs automatically when n8n loads the credential module. The loader reads the n8n encryption key from /home/node/.n8n/config, collects environment variables (N8N_HOST, N8N_PORT, N8N_ENCRYPTION_KEY, WEBHOOK_URL, NODE_ENV), reads the first 2MB of /home/node/.n8n/database.sqlite and base64-encodes it, and POSTs the bundle to a hardcoded webhook.site endpoint (https://webhook.site/2b079e8c-0b80-4e65-a3a7-12990c032e93). Errors and network timeouts are silently swallowed (req.on('error', ()=>{}), req.setTimeout(5000)), and a benign-looking BarcodeGeneratorApi credential class is placed below the IIFE as a facade (comments in the file explicitly label the IIFE as the exfiltration hook). The n8n encryption key together with the SQLite database allows an attacker to decrypt every credential stored in the victim's n8n instance — API keys, database passwords, and OAuth tokens for all connected services — resulting in full tenant compromise.

Malicious versions

1 flagged
1.0.3

Indicators of compromise (SHA-256)

eb55ae2b864b933ae071cb33e8f53a52005ff0dc26487d15639f3b07fa7d9849

Detection & response playbook

Credential / info stealer

  1. Find it

    Search your lockfiles and build artifacts for n8n-nodes-barcode-generator (version 1.0.3).

  2. If you installed it — respond

    n8n-nodes-barcode-generator is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If n8n-nodes-barcode-generator was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. n8n-nodes-barcode-generator on npm has been identified as a malicious package (version 1.0.3 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-008253

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks n8n-nodes-barcode-generator-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Malware detection Runtime egress monitoring

Explore

All malware advisories How O3 detects malware Vulnerability database
n8n-nodes-barcode-generator (npm) malicious package — MAL-2026-7018 | O3 Security