CVE-2026-56353
Published:July 15, 2026
Updated:August 04, 2026
n8n contains an authentication bypass in the Chat Trigger node when configured with n8n User Auth (a non-default configuration). In affected releases — before 1.123.22, the 2.0.0 through 2.9.2 line, and 2.10.0 — the authentication check on the Chat Trigger webhook endpoint can be circumvented, allowing access without valid credentials. Fixed in 1.123.22, 2.9.3, and 2.10.1.
Affected Packages
n8n (NPM):
Affected version(s) =2.10.0 <2.10.1Fix Suggestion:
Update to version 2.10.1n8n (NPM):
Affected version(s) >=0.0.1 <1.123.22Fix Suggestion:
Update to version 1.123.22n8n (NPM):
Affected version(s) >=2.0.0 <2.9.3Fix Suggestion:
Update to version 2.9.3Related Resources (8)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
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:
4.8
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Improper Authentication
EPSS
Base Score:
0.23