CVE-2026-110844

High

Description

n8n before 1.123.83 contains an authorization bypass vulnerability that allows shared-workflow editors to use credentials they cannot access by embedding them in nested or tool inline sub-workflows. Attackers can save workflows with Workflow Tool or Workflow Retriever inline definitions referencing restricted credentials, which execute using the workflow owner's credential values.

SeverityHigh

CVSS7.2

Exploit probability—

ProductN8n

PublishedOct 14, 2026

First seenOct 14, 2026

Weakness typeCWE-863Incorrect authorization

How to fix

Update

n8n-io n8n1.123.83 or later

Vendor advisories

github.com/n8n-io/n8n/security/advisories/GHSA-r6g9-5cpp-ppwr

Affected products

Product	Affected versions	Fixed in
n8n-io n8n	v < 1.123.83	1.123.83

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