CVE-2026-110840 n8n - SQL Injection

n8n < 2.41.4 and 2.42.x < 2.42.1 contains an SQL injection caused by direct substitution of Query field expression values in Microsoft SQL node, letting unauthenticated external callers execute arbitrary SQL with stored credential privileges, exploit requires untrusted input binding.

CVSS base score 7.0 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
SQL Injection
Impact
Remote Code Execution
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:L/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
Published
14 October 2026
Updated
15 October 2026
Weakness
CWE-89

Vendor fix

Upgrade to version 2.41.4 or 2.42.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs