high8.2
CVE-2026-56351
n8n before version 2.4.0 contains a sql injection vulnerability in MySQL, PostgreSQL, and Microsoft SQL nodes that allows authenticated users to inject arbitra…
Impact
n8n before version 2.4.0 contains a sql injection vulnerability in MySQL, PostgreSQL, and Microsoft SQL nodes that allows authenticated users to inject arbitrary SQL through unescaped identifier values in node configuration parameters. Attackers with workflow creation permissions can supply specially crafted table or column names to execute unauthorized database commands and compromise data integrity.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | n8n | < 2.4.0 | 2.4.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| N8n | N8n | before 2.4.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-f3f2-mcxc-pwjx
- https://github.com/n8n-io/n8n/security/advisories/GHSA-f3f2-mcxc-pwjx
- https://github.com/n8n-io/n8n/commit/f73fae6fe7fc34907bba102648a9997186aa4385
- https://github.com/n8n-io/n8n/releases/tag/n8n%402.4.0
- https://nvd.nist.gov/vuln/detail/CVE-2026-56351
- https://www.vulncheck.com/advisories/n8n-sql-injection-in-mysql-postgresql-and-microsoft-sql-nodes