SQL injection in n8n - #VU139101
Published: July 22, 2026
Vulnerability identifier: #VU139101
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-89
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: n8n
Affected software:
n8n
n8n
Detailed vulnerability description
The vulnerability allows a remote user to perform SQL injection.
The vulnerability exists due to SQL injection in the Snowflake node executeQuery operation when interpolating untrusted expression values directly into a raw SQL query string. A remote user can embed crafted expression data into a query to perform SQL injection.
Exploitation requires that a workflow author has already embedded untrusted expression data directly in a raw SQL query.
Remediation
Install security update from vendor's website.