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9.4
n8n may allow unauthorized code execution
published 9 days ago
Summary
The n8n workflow automation tool includes a component called vm2 that, in versions before 3, can be bypassed to run code outside its intended sandbox. This could let an attacker execute commands on your server, potentially compromising data or services. Update n8n to a version that includes vm2 3 or later, or apply any provided patches as soon as possible.
What to do
- Update cleanstart n8n to version 2.28.0-r5.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| CleanStart | cleanstart | n8n |
< 2.28.0-r5 Fix: upgrade to 2.28.0-r5
|
Original advisory text
vm2 before 3
Security vulnerability affects the n8n package. vm2 before 3.
Internet-facing
3 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically (estimated)
- Gives an attacker full control (estimated)
Timeline
Published10 Oct 2026
Updated10 Oct 2026
First seen10 Oct 2026
Sources
CLEANSTART-2026-XK86217 · OSV
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