CVE-2026-110844: Auth Bypass

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.

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Weakness Type (CWE)

CWE-863 Incorrect Authorization

References

Other References

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

Frequently Asked Questions

What is 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.

How do I check if I'm vulnerable to CVE-2026-110844? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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