Vulnerability DatabaseCVE-2025-56265
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CVE-2025-56265
September 08, 2025
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.
Affected Packages
@n8n/n8n-nodes-langchain (NPM):
Affected version(s) >=0.0.1 <1.107.0
Fix Suggestion:
Update to version 1.107.0
Related Resources (7)
https://github.com/nikolas-ch/CVEs/tree/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload
https://github.com/n8n-io/n8n/pull/18148
https://github.com/nikolas-ch/CVEs/tree/main/N8N/N8N_v1.100.1
https://github.com/n8n-io/n8n
https://github.com/nikolas-ch/CVEs/blob/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload/StoredXSSviaUnristrictedFileUpload.txt
https://nvd.nist.gov/vuln/detail/CVE-2025-56265
https://github.com/n8n-io/n8n/releases/tag/n8n%401.107.0
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-79
Unrestricted Upload of File with Dangerous Type
CWE-434
EPSS
Base Score:
0.06