by Kastro
Paper/Archive/CVE-2026-25056

CVE-2026-25056

n8n-io n8n — n8n Arbitrary File Write leading to RCE in n8n Merge Node

EPSS 0.7%CVSS 9.4
critical.is priorityof 100
39
CVSS 9.4 (CNA)9.4 / 10 × 3028.2Not in CISA KEV+300.0EPSS percentile 54.2.542 × 2010.8No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
n8n< 1.118.0–CNA
n8n< 2.4.0–CNA

Scores by source

GitHub_M (CNA)9.4CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refgithub.com/n8n-io/n8n/security/advisories/GHSA-hv53-3329-vmrm