| Component | n8n |
| Severity | high (CVSS 8.8) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Published (NVD) | 2026-02-25 |
| Last modified | 2026-06-17 |
| Affected versions | n8n < 1.123.22 n8n >= 2.0.0, < 2.9.3 n8n >= 2.10.0, < 2.10.1 |
| Fixed in | 1.123.22, 2.9.3, 2.10.1 |
| Weakness | CWE-89CWE-94 |
| CISA KEV | not listed |
NVD description
n8n is an open source workflow automation platform. Prior to versions 2.10.1, 2.9.3, and 1.123.22, an authenticated user with permission to create or modify workflows could leverage the Merge node's SQL query mode to execute arbitrary code and write arbitrary files on the n8n server. The issues have been fixed in n8n versions 2.10.1, 2.9.3, and 1.123.22. Users should upgrade to one of these versions or later to remediate all known vulnerabilities. If upgrading is not immediately possible, administrators should consider the following temporary mitigations. Limit workflow creation and editing permissions to fully trusted users only, and/or disable the Merge node by adding `n8n-nodes-base.merge` to the `NODES_EXCLUDE` environment variable. These workarounds do not fully remediate the risk and should only be used as short-term mitigation measures.
What to do
- Upgrade n8n to
1.123.22or later (or the patched release of your branch: 2.9.3, 2.10.1). - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-27497
- https://github.com/n8n-io/n8n/security/advisories/GHSA-wxx7-mcgf-j869
- https://github.com/n8n-io/n8n/releases/tag/[email protected]
- https://github.com/n8n-io/n8n/releases/tag/[email protected]
- https://github.com/n8n-io/n8n/releases/tag/[email protected]
Read more
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