CVE-2025-56265 N8N's Chat Trigger component is vulnerable to XSS
Attackers can execute arbitrary code by uploading a crafted HTML file to the Chat Trigger component in N8N.
- 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-2025-56265?
CVE-2025-56265 is a high-severity vulnerability in N8n N8n, published on 8 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An arbitrary file upload vulnerability in the Chat Trigger component of N8N v1.95.3, v1.100.1, and v1.101.1 allows attackers to execute arbitrary code via uploading a crafted HTML file.
Weakness: CWE-434
Which versions are affected by CVE-2025-56265?
2 open source packages ship an affected version, including @n8n/n8n-nodes-langchain. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
@n8n/n8n-nodes-langchain npm | All versions | 1.107.0 |
@n8n/n8n-nodes-langchain npm | All versions | 1.107.0 |
Products include N8n N8n.
How do I fix CVE-2025-56265?
Upgrade @n8n/n8n-nodes-langchain to 1.107.0 or later.
Is CVE-2025-56265 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-56265 exists.
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-v2x8-97xq-8xrr.