CVE-2026-56353
n8n - Authentication Bypass in Chat Trigger Node
CVSS Score
4.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-287 |
| Vendor | n8n |
| Product | n8n |
| Published | Jul 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
n8n / n8n
0 < 1.123.22 2.0.0 < 2.9.3 2.10.0 < 2.10.1
References
Credits
🔍 sm1ee