| Component | n8n |
| Severity | critical (CVSS 9.9) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| Published (NVD) | 2026-02-04 |
| Last modified | 2026-06-17 |
| Affected versions | n8n < 2.4.8 |
| Fixed in | 2.4.8 |
| Weakness | CWE-693 |
| CISA KEV | not listed |
NVD description
n8n is an open source workflow automation platform. Prior to version 2.4.8, a vulnerability in the Python Code node allows authenticated users to break out of the Python sandbox environment and execute code outside the intended security boundary. This issue has been patched in version 2.4.8.
What to do
- Upgrade n8n to
2.4.8or later. - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
Read more
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