cvedb.io
CVE-2026-56348
CRITICAL · CVSS 9.1
EPSS exploitation probability: 16%
Published 2026-06-22T22:16:52.353 · Last modified 2026-06-24T16:46:14.657

Summary

n8n before 2.20.0 contains a credential exfiltration vulnerability in the POST /rest/dynamic-node-parameters/options endpoint that allows authenticated users to bypass Allowed HTTP Request Domains restrictions. Attackers with credential access can cause the n8n server to issue HTTP requests with credentials to unauthorized hosts, exfiltrating sensitive authentication data.

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.