| Component | n8n |
| Severity | high (CVSS 7.2) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| Published (NVD) | 2026-02-04 |
| Last modified | 2026-06-17 |
| Affected versions | n8n >= 0.187.0, < 1.120.3 |
| Fixed in | 1.120.3 |
| Weakness | CWE-20CWE-78 |
| CISA KEV | not listed |
NVD description
n8n is an open source workflow automation platform. From version 0.187.0 to before 1.120.3, a command injection vulnerability was identified in n8n’s community package installation functionality. The issue allowed authenticated users with administrative permissions to execute arbitrary system commands on the n8n host under specific conditions. This issue has been patched in version 1.120.3.
What to do
- Upgrade n8n to
1.120.3or later. - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-21893
- https://github.com/n8n-io/n8n/security/advisories/GHSA-7c4h-vh2m-743m
- https://github.com/n8n-io/n8n/commit/ae0669a736cc496beeb296e115267862727ae838
Read more
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