Vulnerability in N8n-Io N8n
CVE-2026-110846
n8n before 2.41.4 and 2.42.x before 2.42.1 contains a signature bypass in the waiting-webhook endpoint, which selects Send-and-Wait validation before normalising an alternate node reference form. Attackers holding an execution's resume token can approve waiting executions meant for others, running downstream actions under the workflow owner's credentials, potentially including command execution.
Published · last modified .
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/n8n-io/n8n/security/advisories/GHSA-728h-pmr2-7cgh (vendor-advisory)
- www.vulncheck.com/advisories/n8n-before-2.41.4-and-2.42.1-send-and-wait-hmac-si… (third-party-advisory)