CVE-2026-56350: n8n before 2.8.0 contains an authentication bypass vulnerability allowing authenticated SSO users to disable S

Routine

MEDIUM 6.3UPGRADE

CVE-2026-56350 is a medium-severity flaw (CVSS 6.3) affecting n8n. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 68%)
CISA exploited list	No
Weakness	CWE-285
Published	2026-06-30
Last modified	2026-07-02

Publisher (CNA): VulnCheck · Vendor: n8n

Last updated 2026-07-02 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-30 23:17 UTCPublished CVE record published
2026-07-02 19:38 UTCUpdated Record last modified

n8n n8n UPGRADE

Affected: < 2.8.0

Fixed in: 2.8.0

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls n8n

2. UPGRADE to 2.8.0

npm install n8n@">=2.8.0"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-56350?

n8n: upgrade to 2.8.0. Exact commands for each OS are on this page.

Is CVE-2026-56350 being exploited?

CVE-2026-56350 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-56350 affect?

CVE-2026-56350 affects n8n. Severity is medium (CVSS 6.3). 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

How urgent is CVE-2026-56350?

Priority 30/100. No elevated risk signals yet.

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References

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