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.
Severity (CVSS)
| Base score | 6 |
|---|---|
| Severity | Medium |
| Version | CVSS 4.0 |
| Vector | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N |
| Provided by | CNA |
Weaknesses
- CWE-285 — Improper Authorization
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n8n | n8n | 0 to <2.8.0; 2.8.0 |
References
- https://github.com/n8n-io/n8n/security/advisories/GHSA-vjf3-2gpj-233v (vendor-advisory)
- https://www.vulncheck.com/advisories/n8n-sso-enforcement-bypass-via-api (third-party-advisory)
Generated from the official CVE List on 01 Jul 2026 07:05 UTC.