Vulnerability · Published Feb 4, 2026 · Assigned by GitHub_M

CVE-2026-25056n8n Arbitrary File Write leading to RCE in n8n Merge Node

Critical 9.4

In plain English

A critical-severity unrestricted file upload in n8n from n8n-io. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)9.4Critical

Exploit odds (30 days)0.7%top 45.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	n8n	1.118.0	GHSA-hv53-3329-vmrm
npm	n8n	2.4.0	GHSA-hv53-3329-vmrm

Affected products (as reported)

Vendor	Product	Versions
n8n-io	n8n	< 1.118.0< 2.4.0

Weakness: CWE-434, CWE-693 · 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

References

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