CVE-2026-56353
Medium
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.
SeverityMedium
CVSS4.8
Exploit probability—
Product
N8n
PublishedJul 15, 2026
First seenJul 15, 2026
Weakness typeCWE-287Improper authentication
How to fix
Update
- n8n n8n1.123.22, 2.9.3 or later
- n8n1.123.22, 2.9.3, 2.10.1 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| n8n n8n | v < 1.123.22, 2.0.0 ≤ v < 2.9.3, 2.10.0 | 1.123.22, 2.9.3 |
| n8nnpm | v < 1.123.22, 2.0.0 ≤ v < 2.9.3, 2.10.0 ≤ v < 2.10.1 | 1.123.22, 2.9.3, 2.10.1 |
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