| Component | n8n |
| Severity | medium (CVSS 4.8) |
| CVSS vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |
| Published (NVD) | 2026-07-15 |
| Last modified | 2026-07-16 |
| Affected versions | n8n < 1.123.22 n8n >= 2.0.0, < 2.9.3 n8n = 2.10.0 n8n = 2.10.0 |
| Fixed in | 1.123.22, 2.9.3 |
| Weakness | CWE-287 |
| CISA KEV | not listed |
NVD 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.
What to do
- Upgrade n8n to
1.123.22or later (or the patched release of your branch: 2.9.3). - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-56353
- https://github.com/n8n-io/n8n/security/advisories/GHSA-jh8h-6c9q-7gmw
- https://www.vulncheck.com/advisories/n8n-authentication-bypass-in-chat-trigger-node
Read more
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