CVE-2026-110844

UNKNOWN 0.0

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

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-863
Vendor	n8n-io
Product	n8n
Published	Oct 14, 2026

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Affected Versions

n8n-io / n8n

0 < 1.123.83

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/n8n-io/n8n/security/advisories/GHSA-r6g9-5cpp-ppwr vulncheck.com: https://www.vulncheck.com/advisories/n8n-before-1.123.83-credential-authorization-bypass-via-nested-inline-sub-workflows

Credits

🔍 SunKimsroul