---
id: CVE-2026-110853
title: >-
  n8n before 1.123.83 contains an authorization bypass vulnerability that allows
  authenticated members to spoof workflow identity by supplying a trusted
  identifier in Execute Sub-workflow inline JSON mode
summary: >-
  n8n before 1.123.83 contains an authorization bypass vulnerability that allows
  authenticated members to spoof workflow identity by supplying a trusted
  identifier in Execute Sub-workflow inline JSON mode. Attackers can set this
  identifier…
severity: none
cwe:
  - CWE-639
published: '2026-10-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T23:17:26.450'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-110853'
references:
  - url: 'https://github.com/n8n-io/n8n/security/advisories/GHSA-866p-xg8v-g2q7'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/n8n-before-1.123.83-authorization-bypass-via-execute-sub-workflow-inline-json
    label: disclosure@vulncheck.com
tags:
  - nvd
ingestedAt: '2026-10-15T00:02:07.179Z'
---

## Overview

n8n before 1.123.83 contains an authorization bypass vulnerability that allows authenticated members to spoof workflow identity by supplying a trusted identifier in Execute Sub-workflow inline JSON mode. Attackers can set this identifier to resolve credentials from projects they do not belong to and modify another workflow's static data and error-workflow dispatch.

## Remediation

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