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n8n Merge Node has Arbitrary File Write leading to RCE

🗓️ 04 Feb 2026 19:39:41Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 42 Views

Authenticated users can write files and run code via Merge node SQL mode; fixed in 2.4.0 and 1.118.0.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-25056
4 Feb 202616:47
–attackerkb
bdu_fstec
BDU FSTEC
n8n Automation File Upload Code Execution
25 Feb 202600:00
–bdu_fstec
circl
Circl
CVE-2026-25056
5 Feb 202608:08
–circl
cnnvd
CNNVD
n8n security vulnerabilities
4 Feb 202600:00
–cnnvd
cve
CVE
CVE-2026-25056
4 Feb 202616:47
–cve
cvelist
Cvelist
CVE-2026-25056 n8n Arbitrary File Write leading to RCE in n8n Merge Node
4 Feb 202616:47
–cvelist
euvd
EUVD
EUVD-2026-5415
4 Feb 202616:47
–euvd
mend
Mend
CVE-2026-25056
4 Feb 202616:47
–mend
nessus
Tenable Nessus
n8n Node.js Package < 1.118.0 / 2.x < 2.4.0 Arbitrary File Write Leading to RCE (CVE-2026-25056)
13 Feb 202600:00
–nessus
ncsc
NCSC
Vulnerabilities fixed in n8n
9 Feb 202610:39
–ncsc
Rows per page
Vulners
Node
OR
n8nn8nRange2.0.0–2.4.0npm
n8nn8nRange<1.118.0npm

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04 Feb 2026 19:39Current
8High risk
Vulners AI Score8
CVSS 3.18.8
CVSS 49.4
EPSS0.00739
SSVC
42