CVEvulnerability
CVE-2026-56351
5.3 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-06-24
- Last modified
- 2026-06-26
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 5.3 MEDIUM — CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 8.2 HIGH — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
- CVSS 3.1 ([email protected])
- 9.6 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
- Weaknesses
- CWE-89
Description
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 configurations
• n8n n8n (< 2.4.0)
Related
Weakness · CWE (1)
- CWE-89 Improper Neutralization of Special Elements used in an SQL Command weakness
References
- https://github.com/n8n-io/n8n/security/advisories/GHSA-f3f2-mcxc-pwjx Mitigation, Vendor Advisory
- https://www.vulncheck.com/advisories/n8n-sql-injection-in-mysql-postgresql-and-microsoft-sql-nodes Third Party Advisory