| Component | n8n |
| Severity | medium (CVSS 6.3) |
| CVSS vector | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N |
| Published (NVD) | 2026-06-30 |
| Last modified | 2026-07-02 |
| Affected versions | n8n < 2.8.0 |
| Fixed in | 2.8.0 |
| Weakness | CWE-285 |
| CISA KEV | not listed |
NVD description
n8n before 2.8.0 contains an authentication bypass vulnerability allowing authenticated SSO users to disable SSO enforcement through the API. Attackers can create local password credentials to authenticate directly, bypassing organizational SSO policies and identity-provider-enforced multi-factor authentication.
What to do
- Upgrade n8n to
2.8.0or later. - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-56350
- https://github.com/n8n-io/n8n/security/advisories/GHSA-vjf3-2gpj-233v
- https://www.vulncheck.com/advisories/n8n-sso-enforcement-bypass-via-api
Read more
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