6.3

CVE-2026-56353

n8n - Authentication Bypass in Chat Trigger Node

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
N8n ≫ N8n SwPlatformnode.js Version < 1.123.22
N8n ≫ N8n SwPlatformnode.js Version >= 2.0.0 < 2.9.3
N8n ≫ N8n Version2.10.0 SwEditioncommunity SwPlatformnode.js
N8n ≫ N8n Version2.10.0 SwEditionenterprise SwPlatformnode.js
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.23% 0.139
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
disclosure@vulncheck.com 6.3 0 0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
disclosure@vulncheck.com 4.8 2.2 2.5
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE-287 Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

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