n8n before 2.28.1 contains an information disclosure vulnerability where external secrets are incorrectly resolved in workflow node expressions outside credentials scope. Authenticated project editors can read plaintext external secret values by referencing them in node expressions without requiring explicit secrets access permissions.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n8n n8n unaffected
Version Status Constraints
0 affected < 2.28.1
2.28.1 unaffected —
n8n n8n unaffected
Version Status Constraints
0 affected < 2.27.4
2.27.4 unaffected —

No data.

No data.

No data.

Project Subscriptions

Vendors Products
N8n Subscribe
N8n Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/n8n-io/n8n/security/advisories/GHSA-2434-3x6q-8r99 cve-icon
https://www.vulncheck.com/advisories/n8n-external-secrets-disclosure-via-workflow-node-expressions cve-icon
History

Wed, 15 Jul 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 15 Jul 2026 12:00:00 +0000

Type Values Removed Values Added
Description n8n before 2.28.1 contains an information disclosure vulnerability where external secrets are incorrectly resolved in workflow node expressions outside credentials scope. Authenticated project editors can read plaintext external secret values by referencing them in node expressions without requiring explicit secrets access permissions.
Title n8n - External Secrets Disclosure via Workflow Node Expressions
First Time appeared N8n
N8n n8n
Weaknesses CWE-639
CPEs cpe:2.3:a:n8n:n8n:*:*:*:*:enterprise:node.js:*:*
Vendors & Products N8n
N8n n8n
References
Metrics cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-07-15T13:25:43.797Z

Reserved: 2026-07-04T12:17:14.301Z

Link: CVE-2026-59254

cve-icon Vulnrichment

Updated: 2026-07-15T13:20:06.805Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses