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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| n8n-io | n8n | >= 2.26.0, < 2.26.2, < 2.25.7 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| npm | n8n | >= 2.26.0, < 2.26.2 | 2.26.2 | GHSA-c37g-w77q-m4vp |
| npm | n8n | < 2.25.7 | 2.25.7 | GHSA-c37g-w77q-m4vp |
Advisories 2
- WID-SEC-2026-1875 n8n: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 8, 2026
- NCSC-2026-0212 Kwetsbaarheden verholpen in n8n workflow automation platform NCSC-NL (Netherlands) · Jun 29, 2026