Findings

CVE-2026-110844

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

Published Oct 14, 2026 · updated Oct 14, 2026 · n8n-io n8n

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.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 14, 2026 · NIST NVD

    Detected

    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.

  2. Oct 14, 2026 · NIST NVD

    Updated

    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.

Affected

  • vendor n8n-io n8nversion unspecified

Sources

  • CVE.orgCVE-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 defi

    cve.org
  • FIRST EPSSCVE-2026-110844

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDCVE-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 defi

    nvd.nist.gov

References

CVE-2026-110844 · ZeroDay Findings