CVE-2026-110844
n8n before 1.123.83 Credential Authorization Bypass via Nested Inline Sub-Workflows
- State
- Published
- Severity
- 7.2 High
- Published
- Oct 14, 2026
- Updated
- Oct 15, 2026
- Reserved
- Oct 14, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.2 High | 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 | VulnCheck |
Weaknesses
- CWE-863 Incorrect Authorization
Affected Products
| Product | Versions |
|---|---|
n8nn8n-io |
|
References
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