CVE-2026-110853

UNKNOWN 0.0

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

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-639
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-866p-xg8v-g2q7 vulncheck.com: https://www.vulncheck.com/advisories/n8n-before-1.123.83-authorization-bypass-via-execute-sub-workflow-inline-json

Credits

🔍 tr4ce-ju