| 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) | 2026-06-23 |
| Last modified | 2026-06-25 |
| Affected versions | n8n < 2.25.7 n8n >= 2.26.0, < 2.26.2 |
| Fixed in | 2.25.7, 2.26.2 |
| Weakness | CWE-89 |
| CISA KEV | not listed |
NVD description
n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, an authenticated user with permission to create or modify workflows could supply a crafted parameters to the TimescaleDB and/or legacy Postgres v1 node's allowing arbitrary SQL to be injected and executed against the connected database within the privileges of the configured database account. This vulnerability is fixed in 2.25.7 and 2.26.2.
What to do
- Upgrade n8n to
2.25.7or later (or the patched release of your branch: 2.26.2). - 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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