Unrated severityNVD Advisory· Published Jul 15, 2026· Updated Jul 16, 2026
n8n - Authentication Bypass in Chat Trigger Node
CVE-2026-56353
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.
Affected products
1Patches
Vulnerability mechanics
References
2- github.com/n8n-io/n8n/security/advisories/GHSA-jh8h-6c9q-7gmwmitrevendor-advisory
- www.vulncheck.com/advisories/n8n-authentication-bypass-in-chat-trigger-nodemitrethird-party-advisory
News mentions
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