CVE-2026-56350

EUVD-2026-40443
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.3 MEDIUM
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 17.54%
Affected Products (NVD)
VendorProductVersion
n8nn8n
𝑥
< 2.8.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/n8n-io/n8n/security/advisories/GHSA-vjf3-2gpj-233v
https://www.vulncheck.com/advisories/n8n-sso-enforcement-bypass-via-api