Auth bypass in N8n-Io N8n
CVE-2026-110844
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.
Vulnerability class: Broken Access Control
Published · last modified .
EPSS exploit prediction
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Affected products
Weakness classification (CWE)
References
- github.com/n8n-io/n8n/security/advisories/GHSA-r6g9-5cpp-ppwr (vendor-advisory)
- www.vulncheck.com/advisories/n8n-before-1.123.83-credential-authorization-bypas… (third-party-advisory)