CVE-2026-56353

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.

CVSS v3 4.8 MEDIUM

4.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/n8n-io/n8n/security/advisories/GHSA-jh8h-6c9q-7gmw	Vendor Advisory
https://www.vulncheck.com/advisories/n8n-authentication-bypass-in-chat-trigger-node	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:n8n:n8n::::::node.js::*
	cpe:2.3:a:n8n:n8n::::::node.js::*
	cpe:2.3:a:n8n:n8n:2.10.0::::community:node.js::*
	cpe:2.3:a:n8n:n8n:2.10.0::::enterprise:node.js::*

History

16 Jul 2026, 20:09

Type	Values Removed	Values Added
CPE		cpe:2.3:a:n8n:n8n:2.10.0::::enterprise:node.js::* cpe:2.3:a:n8n:n8n:2.10.0::::community:node.js::* cpe:2.3:a:n8n:n8n::::::node.js::*
First Time		N8n N8n n8n
References	~~() https://github.com/n8n-io/n8n/security/advisories/GHSA-jh8h-6c9q-7gmw -~~	() https://github.com/n8n-io/n8n/security/advisories/GHSA-jh8h-6c9q-7gmw - Vendor Advisory
References	~~() https://www.vulncheck.com/advisories/n8n-authentication-bypass-in-chat-trigger-node -~~	() https://www.vulncheck.com/advisories/n8n-authentication-bypass-in-chat-trigger-node - Third Party Advisory

15 Jul 2026, 12:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-15 12:18

Updated : 2026-07-16 20:09

NVD link : CVE-2026-56353

Mitre link : CVE-2026-56353

CVE.ORG link : CVE-2026-56353

JSON object : View

Products Affected

n8n

n8n

CWE

CWE-287

Improper Authentication

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