CVE-2026-119408
Published:October 30, 2026
Updated:November 03, 2026
n8n before 2.42.6, 2.43.x before 2.43.3, and 3.x before 3.0.1 contains a remote code execution vulnerability via deprecated Function, Function Item, and LangChain Code nodes running outside task runner isolation. Authenticated users who can create, modify, or import workflows naming these hidden node types can execute JavaScript in the n8n main process.
Affected Packages
https://github.com/n8n-io/n8n.git (GITHUB):
Affected version(s) >=n8n@2.43.0 <n8n@2.43.3Fix Suggestion:
Update to version n8n@2.43.3https://github.com/n8n-io/n8n.git (GITHUB):
Affected version(s) =n8n@3.0.0 <n8n@3.0.1Fix Suggestion:
Update to version n8n@3.0.1https://github.com/n8n-io/n8n.git (GITHUB):
Affected version(s) >=n8n@0.2.0 <n8n@2.42.6 || >=n8n@1.0.0 <n8n@2.42.6 || >=n8n@2.0.0-rc.0 <n8n@2.42.6 || >=n8n@2.0.0 <n8n@2.42.6Fix Suggestion:
Update to version n8n@2.42.6n8n (NPM):
Affected version(s) >=2.43.0 <2.43.3Fix Suggestion:
Update to version 2.43.3n8n (NPM):
Affected version(s) >=1.0.0 <2.42.6 || >=2.0.0-rc.0 <2.42.6 || >=2.0.0 <2.42.6 || >=0.0.1 <2.42.6Fix Suggestion:
Update to version 2.42.6@n8n/n8n-nodes-langchain (NPM):
Affected version(s) >=2.0.0-rc.0 <2.42.4 || >=1.36.4 <2.42.4 || >=2.0.0 <2.42.4 || >=0.0.1 <2.42.4Fix Suggestion:
Update to version 2.42.4@n8n/n8n-nodes-langchain (NPM):
Affected version(s) =2.43.0 <2.43.1Fix Suggestion:
Update to version 2.43.1n8n-nodes-base (NPM):
Affected version(s) =2.43.0 <2.43.1Fix Suggestion:
Update to version 2.43.1n8n-nodes-base (NPM):
Affected version(s) >=0.1.0 <2.42.4 || >=2.0.0-rc.0 <2.42.4 || >=2.0.0 <2.42.4 || >=1.0.0 <2.42.4Fix Suggestion:
Update to version 2.42.4Related Resources (11)
Do you need more information?
Contact UsCVSS 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 Isolation or Compartmentalization
EPSS
Base Score:
0.63