Auth bypass in N8n-io N8n
CVE-2026-33720
n8n is an open source workflow automation platform. Prior to version 2.8.0, when the `N8N_SKIP_AUTH_ON_OAUTH_CALLBACK` environment variable is set to `true`, the OAuth callback handler skips ownership verification of the OAuth state parame…
Vulnerability class: Broken Access Control
EPSS: 0.000 (2.9th percentile) — read the EPSS interpretation.
Affected products
- N8n-io N8n — versions < 2.8.0
Weakness classification (CWE)
References
- https://github.com/n8n-io/n8n/security/advisories/GHSA-vpgc-2f6g-7w7x (x_refsource_CONFIRM)