CVE-2026-54312: n8n is an open source workflow automation platform

Routine

HIGH 8.5UPGRADE

CVE-2026-54312 is a high-severity flaw (CVSS 8.5) affecting n8n. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

n8n is an open source workflow automation platform. Prior to 2.24.0, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via the Microsoft SQL node by supplying a crafted value as the table parameter. This pollutes Object.prototype process-wide for the lifetime of the n8n server process, causing application-wide validation failures and rendering the n8n instance completely non-functional un

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 67%)
CISA exploited list	No
Weakness	CWE-1321
Published	2026-06-23
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: n8n

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-23 16:17 UTCPublished CVE record published
2026-10-26 00:10 UTCUpdated Record last modified

n8n n8n UPGRADE

Affected: < 2.24.0

Fixed in: 2.24.0

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls n8n

2. UPGRADE to 2.24.0

npm install n8n@">=2.24.0"

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-2026-54312?

n8n: upgrade to 2.24.0. Exact commands for each OS are on this page.

Is CVE-2026-54312 being exploited?

CVE-2026-54312 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-2026-54312 affect?

CVE-2026-54312 affects n8n. Severity is high (CVSS 8.5). n8n is an open source workflow automation platform. Prior to 2.24.0, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via the Microsoft SQL node by supplying a crafted value as the

How urgent is CVE-2026-54312?

Priority 38/100. High severity

Related CVEs

CVE-2026-42229 HIGH 8.8 UPGRADE n8n is an open source workflow automation platform
CVE-2026-54305 CRITICAL 9.9 UPGRADE n8n is an open source workflow automation platform
CVE-2026-54307 CRITICAL 9.6 UPGRADE n8n is an open source workflow automation platform
CVE-2026-54308 HIGH 7.2 UPGRADE n8n is an open source workflow automation platform
CVE-2026-54313 HIGH 7.7 UPGRADE n8n is an open source workflow automation platform

References

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