CVE-2026-25056 n8n Arbitrary File Write leading to RCE in n8n Merge Node
Authenticated users can write arbitrary files via the Merge node, potentially leading to remote code execution on the n8n server.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-25056?
CVE-2026-25056 is a critical vulnerability in N8n N8n, published on 4 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Which versions are affected by CVE-2026-25056?
4 open source packages ship an affected version, including n8n. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
n8n npm | All versions | 1.118.0 |
n8n npm | All versions | 1.118.0 |
n8n npm | From 2.0.0 | 2.4.0 |
n8n npm | From 2.0.0 | 2.4.0 |
Products include N8n N8n.
How do I fix CVE-2026-25056?
Upgrade n8n to a fixed version for your release line: 1.118.0 or 2.4.0.
Is CVE-2026-25056 being exploited?
There is no known exploitation of CVE-2026-25056 in the wild and no public exploit code.
Other vulnerabilities in N8n N8n
- CVE-2025-68613 n8n Improper Control of Dynamically-Managed Code Resources
- CVE-2026-21877 n8n is vulnerable to Remote Code Execution via Arbitrary File Write
- CVE-2026-21858 n8n Vulnerable to Unauthenticated File Access via Improper Webhook Request Handling
- CVE-2026-1470 n8n Unsafe Workflow Expression Evaluation Allows Remote Code Execution
- CVE-2025-68668 n8n Vulnerable to Arbitrary Command Execution in Pyodide based Python Code Node
Sources
Also known as GHSA-hv53-3329-vmrm.