CVE-2026-110844

n8n before 1.123.83 Credential Authorization Bypass via Nested Inline Sub-Workflows

Published Oct 14, 2026 CVSS 4.0 · 7.2 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 15, 2026, 3:42 PM
Reserved
Oct 14, 2026, 10:12 PM
Status
Deferred
Published
Oct 14, 2026, 11:17 PM
Modified
Oct 15, 2026, 4:17 PM