MEDIUM 5.8 NVD
CVE-2026-103247
n8n versions before 1.123.80 contain a credential tampering vulnerability where duplicate node IDs bypass the workflow credential tamper guard. Attackers with e
n8n versions before 1.123.80 contain a credential tampering vulnerability where duplicate node IDs bypass the workflow credential tamper guard. Attackers with editor access to shared workflows can exploit mismatched node ID and name matching to retain victim credentials and redirect secrets to attacker-controlled hosts.
References
- https://github.com/n8n-io/n8n/security/advisories/GHSA-7gjv-rcf8-x5qc
- https://www.vulncheck.com/advisories/n8n-before-1.123.80-credential-tampering-via-duplicat
This medium severity vulnerability with a CVSS score of 5.8 was published on 2026-10-01 via NVD.
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