CVE-2026-110853

CVSS 7.1 (high) · published 2026-10-14

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.

Weakness: CWE-639

Source: NVD CVE-2026-110853

References

• https://github.com/n8n-io/n8n/security/advisories/GHSA-866p-xg8v-g2q7
• https://www.vulncheck.com/advisories/n8n-before-1.123.83-authorization-bypass-via-execute-sub-workflow-inline-json

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