CVE-2026-56353
CVE-2026-56353 · n8n - Authentication Bypass in Chat Trigger Node
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 6.3 · Medium · EPSS 0.3% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
n8n
- Versions
- ≥ 0, < 1.123.22: Affected (semver)
- 1.123.22: Not affected (semver)
- ≥ 2.0.0, < 2.9.3: Affected (semver)
- 2.9.3: Not affected (semver)
- ≥ 2.10.0, < 2.10.1: Affected (semver)
- 2.10.1: Not affected (semver)
Update to 1.123.22; Update to 2.10.1; Update to 2.9.3
n8n npm
- Affected ranges
- SEMVER: < 1.123.22
Update to 1.123.22
n8n npm
- Affected ranges
- SEMVER: ≥ 2.0.0, < 2.9.3
Update to 2.9.3
n8n npm
- Affected ranges
- SEMVER: ≥ 2.10.0, < 2.10.1
Update to 2.10.1