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Vulnerabilities CVE-2026-56353

CVE-2026-56353

Medium
Open
TLP:CLEAR

n8n - Authentication Bypass in Chat Trigger Node

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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.

Details

CVSS Score
6.3
EPSS Score
0.23%

14.1th percentile

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Confidence
90%
Published
Jul 15, 2026
Last Modified
Jul 15, 2026
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