CVE-2026-56350
Last modified
CVE-2026-56350 is a high-severity vulnerability rated 7.7/10 on the CVSS scale. 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.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| N8n | N8n | < 2.8.0 |
References
- https://github.com/n8n-io/n8n/security/advisories/GHSA-vjf3-2gpj-233vMitigation, Vendor Advisory
- https://www.vulncheck.com/advisories/n8n-sso-enforcement-bypass-via-apiThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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