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9.4

n8n can execute malicious code via vm2

published 9 days ago
Summary

The n8n workflow automation tool includes the vm2 library up to version 3, which can be tricked into running attacker‑supplied code. This could let a bad actor cause the system to perform unauthorized actions. Update n8n to a version that includes the fixed vm2 library or apply the vendor’s recommended patch as soon as possible.

What to do
  • Update cleanstart n8n to version 2.28.0-r5.
Affected software
Ecosystem VendorProductAffected versions
CleanStart cleanstart n8n < 2.28.0-r5
Fix: upgrade to 2.28.0-r5
Original advisory text
vm2 through 3
Security vulnerability affects the n8n package. vm2 through 3.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
9.4 Critical
Timeline
Published10 Oct 2026
Updated10 Oct 2026
First seen10 Oct 2026
Sources
CLEANSTART-2026-VO63729 · OSV
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