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CVE-2026-56353

n8n - Authentication Bypass in Chat Trigger Node

Published: Jul 15, 2026Updated: Jul 16, 2026 Sources: CVE List NVDCWE-287
4.8MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 86.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-287

Affected Products

n8n
oss-project
n8nSaaSWeb App
Cloud & SaaS / saas-application

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

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

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