VULNERABILITY INTELLIGENCE

CVE-2026-56353

CVSS score4.8 MEDIUM
EPSS probability0.33%
CISA KEVNot currently listed
Published2026-07-15
Last modified2026-10-24
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

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.

Weakness classification

  • disclosure@vulncheck.com: CWE-287

Primary references