CVE-2026-118642
Deferred Deferred - Pending Action

Authorization Bypass in n8n Workflow Nodes

Vulnerability report for CVE-2026-118642, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-28

Last updated on: 2026-10-28

Assigner: VulnCheck

Description

n8n before 1.123.85, 2.43.5, and 2.44.1 contains an authorization bypass vulnerability that allows authenticated members to use inaccessible credentials through inline sub-workflow nodes with non-boolean disabled values. Attackers knowing a credential id can run Execute Workflow nodes in inline JSON mode that skip the permission check and send decrypted credentials to attacker-controlled servers.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-10-28
Last Modified
2026-10-28
Generated
2026-10-28
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
n8n-io n8n 0
n8n-io n8n 2.44.0
n8n-io n8n 2.0.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-863 The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

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EPSS Chart