n8n before 1.123.83 Authorization Bypass via Execute Sub-workflow Inline JSON

Code

The project this record applies to. Exploit listings stay in References.

• Repository · github.com

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 authenticated members to spoof workflow identity by supplying a trusted identifier in Execute Sub-workflow inline JSON mode. Attackers can set this identifier to resolve credentials from projects they do not belong to and modify another workflow's static data and error-workflow dispatch.

2. Oct 14, 2026 · NIST NVD

   Updated

   n8n before 1.123.83 contains an authorization bypass vulnerability that allows authenticated members to spoof workflow identity by supplying a trusted identifier in Execute Sub-workflow inline JSON mode. Attackers can set this identifier to resolve credentials from projects they do not belong to and modify another workflow's static data and error-workflow dispatch.

Affected

• vendor n8n-io n8nversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-110853

  n8n before 1.123.83 contains an authorization bypass vulnerability that allows authenticated members to spoof workflow identity by supplying a trusted identifier in Execute Sub-workflow inline JSON mode. Attackers can set this identifier to resolve credentials from projects they

  cve.org
• FIRST EPSSExploitation probabilityCVE-2026-110853

  30-day exploitation probability 0.2%

  first.org
• NIST NVDVulnerability recordCVE-2026-110853

  n8n before 1.123.83 contains an authorization bypass vulnerability that allows authenticated members to spoof workflow identity by supplying a trusted identifier in Execute Sub-workflow inline JSON mode. Attackers can set this identifier to resolve credentials from projects they

  nvd.nist.gov

References

• Reference · github.com
• Reference · vulncheck.com