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NVD Vulnerability Details :

CVE-2026-54312

Received

Source-security-advisories@github.com

Published At-23 Jun, 2026 | 16:17

Updated At-23 Jun, 2026 | 17:17

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 until restarted. This vulnerability is fixed in 2.24.0.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	4.0	7.2	HIGH	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/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
			N/A

Type: Secondary

Version: 4.0

Base score: 7.2

Base severity: HIGH

Vector:

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/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

Type: N/A

Version:

Base score:

Base severity: N/A

Vector:

Weaknesses

CWE ID	Type	Source
CWE-1321	Secondary	security-advisories@github.com

CWE ID: CWE-1321

Type: Secondary

Source: security-advisories@github.com

References

Hyperlink	Source	Resource
https://github.com/n8n-io/n8n/security/advisories/GHSA-x6p3-m6h9-fx7r	security-advisories@github.com	N/A

Hyperlink: https://github.com/n8n-io/n8n/security/advisories/GHSA-x6p3-m6h9-fx7r

Source: security-advisories@github.com

Resource: N/A

CISA Catalog

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Change History