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VULNERABILITIES

CVE-2026-72763 Details

Description

n8n before 1.123.67, 2.31.5, and 2.32.1 validates credential-access only for a node's top-level credentials and not for credentials referenced inside an Execute Sub-workflow node's inline workflow JSON. A member with Editor access to a shared workflow (when workflow sharing is enabled) who knows a target credential's ID can reference that credential in the inline JSON; it passes save-time and runtime validation and resolves in the parent workflow's project context, allowing the attacker to use or exfiltrate credentials they are not permitted to access.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/n8n-io/n8n/security/advisories/GHSA-cj9h-qx8g-pq2g [email protected]MitigationVendor Advisory
https://www.vulncheck.com/advisories/n8n-before-credential-exfiltration-via-sub-workflow [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-639Authorization Bypass Through User-Controlled Key[email protected]

Affected Products

ProductVersions
n8n n8n
< 1.123.67
>= 2.31.0, < 2.31.5
2.32.0

CPE

  • cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*
  • cpe:2.3:a:n8n:n8n:2.32.0:*:*:*:*:node.js:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-72763
NVD Published Date:
Aug 11, 2026
NVD Last Modified:
Sep 1, 2026
Source:
[email protected]
CVE-2026-72763 Details - Not Deferred