CVE-2026-25056

n8n Arbitrary File Write leading to RCE in n8n Merge Node

State: Published
Severity: 9.4 Critical
Published: Feb 4, 2026
Updated: Feb 5, 2026
Reserved: Jan 28, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	9.4 Critical	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	GitHub_M

Weaknesses

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

Affected Products

Product	Versions
n8nn8n-io	< 1.118.0Affected < 2.4.0Affected

References

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

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