---
id: CVE-2026-110844
title: >-
  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
summary: >-
  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
  Work…
severity: high
cvss: 7.2
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:H/SA:N'
cwe:
  - CWE-863
vendor: n8n-io
product: n8n
affected:
  - n8n < 1.123.83
published: '2026-10-14'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T16:17:47.430'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-110844'
references:
  - url: 'https://github.com/n8n-io/n8n/security/advisories/GHSA-r6g9-5cpp-ppwr'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/n8n-before-1.123.83-credential-authorization-bypass-via-nested-inline-sub-workflows
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-15T15:41:57.524540Z'
cvssSource: cna
ingestedAt: '2026-10-15T00:02:07.175Z'
epss: 0.00282
epssPercentile: 0.20541
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.