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.

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History

Thu, 15 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 14 Oct 2026 23:00:00 +0000

Type Values Removed Values Added
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.
Title n8n before 1.123.83 Credential Authorization Bypass via Nested Inline Sub-Workflows
First Time appeared N8n
N8n n8n
Weaknesses CWE-863
CPEs cpe:2.3:a:n8n:n8n:*:*:*:*:*:*:*:*
Vendors & Products N8n
N8n n8n
References
Metrics cvssV4_0

{'score': 7.2, 'vector': '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-15T15:42:13.075Z

Reserved: 2026-10-14T22:12:22.055Z

Link: CVE-2026-110844

cve-icon Vulnrichment

Updated: 2026-10-15T15:42:03.459Z

cve-icon NVD

Status : Deferred

Published: 2026-10-14T23:17:24.940

Modified: 2026-10-15T16:17:47.430

Link: CVE-2026-110844

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-15T13:00:18Z

Weaknesses