CVE-2026-25056 PUBLISHED

n8n Arbitrary File Write leading to RCE in n8n Merge Node

Assigner: GitHub_M
Reserved: 28.01.2026 Published: 04.02.2026 Updated: 05.02.2026

n8n is an open source workflow automation platform. Prior to versions 1.118.0 and 2.4.0, a vulnerability in the Merge node's SQL Query mode allowed authenticated users with permission to create or modify workflows to write arbitrary files to the n8n server's filesystem potentially leading to remote code execution. This issue has been patched in versions 1.118.0 and 2.4.0.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score: 9.4

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	High	Availability	High
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	n8n-io
Product	n8n
Versions	Version < 1.118.0 is affected Version < 2.4.0 is affected

References

https://github.com/n8n-io/n8n/security/advisories/GHSA-hv53-3329-vmrm

Problem Types

CWE-434: Unrestricted Upload of File with Dangerous Type CWE
CWE-693: Protection Mechanism Failure CWE