SQL injection in n8n - CVE-2026-42229
Published: April 23, 2026
Vulnerability identifier: #VU127220
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-42229
CWE-ID: CWE-89
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to SQL injection in the SeaTable node row:search and row:get operations when processing user-controlled input passed via expressions into search or row retrieval parameters. A remote attacker can send crafted input to retrieve unintended rows from the connected SeaTable base and disclose sensitive information.
Exploitation requires a workflow configuration in which external user input is passed via expressions into the searchTerm or rowId parameters.
Affected software
n8n
How to mitigate CVE-2026-42229
Install security update from vendor's website.
n8n - addressed in versions 1.123.32, 2.17.4, 2.18.1