| Component | n8n |
| Severity | high (CVSS 8.7) |
| CVSS vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H |
| Published (NVD) | 2026-10-01 |
| Affected versions | < 1.123.80 read from the advisory text: NVD has not published CPE data yet |
| Fixed in | 1.123.80 |
| Weakness | CWE-89 |
| CISA KEV | not listed |
NVD description
n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 contain an SQL injection vulnerability in the Oracle Database node's Delete Table Drop operation. Attackers can inject single quotes in the table or schema fields to append arbitrary SQL statements and execute DDL or DML commands against the connected database with the credential's privileges.
What to do
- Upgrade n8n to
1.123.80or later. - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-103253
- https://github.com/n8n-io/n8n/security/advisories/GHSA-4wf3-rgqr-xcp3
- https://www.vulncheck.com/advisories/n8n-before-1.123.80-2.39.6-and-2.40.1-sql-injection-via-oracle-database-drop-table
Read more
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