CVE-2026-56350 PUBLISHED

n8n - SSO Enforcement Bypass via API

Assigner: VulnCheck
Reserved: 20.06.2026 Published: 30.06.2026 Updated: 01.07.2026

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.

CVSS 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
CVSS Score: 6

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N
CVSS Score: 6.3

Attack Vector	Network	Scope	Changed
Attack Complexity	High	Confidentiality Impact	None
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	n8n
Product	n8n
Versions	Default: unaffected affected from 0 to 2.8.0 (excl.) Version 2.8.0 is unaffected

CVE-2026-56350 PUBLISHED

n8n - SSO Enforcement Bypass via API

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Problem Types