CVE-2026-118640
Published:October 28, 2026
Updated:November 02, 2026
n8n before 1.123.85, 2.43.5, and 2.44.1 contains an authorization bypass vulnerability in Chat Hub that allows chat-only users to register restricted tool types. Users with the global:chatUser role can add and run tools through chat to execute sandboxed code, access permitted files, and use instance workflows, Data Tables, and agents.
Affected Packages
https://github.com/n8n-io/n8n.git (GITHUB):
Affected version(s) =n8n@2.44.0 <n8n@2.44.1Fix Suggestion:
Update to version n8n@2.44.1https://github.com/n8n-io/n8n.git (GITHUB):
Affected version(s) >=n8n@2.1.0 <n8n@2.43.5Fix Suggestion:
Update to version n8n@2.43.5n8n (NPM):
Affected version(s) =2.44.0 <2.44.1Fix Suggestion:
Update to version 2.44.1n8n (NPM):
Affected version(s) >=2.1.0 <2.43.5Fix Suggestion:
Update to version 2.43.5Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.4
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Incorrect Authorization
EPSS
Base Score:
0.19