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.
Metrics
Affected Vendors & Products
References
History
Thu, 01 Oct 2026 20:30:00 +0000
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ssvc
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Thu, 01 Oct 2026 11:00:00 +0000
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| Description | 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. | |
| Title | n8n before 1.123.80 Credential Tampering via Duplicate Node IDs | |
| First Time appeared |
N8n
N8n n8n |
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| Weaknesses | CWE-639 | |
| CPEs | cpe:2.3:a:n8n:n8n:*:*:*:*:*:*:*:* | |
| Vendors & Products |
N8n
N8n n8n |
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| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-10-01T10:41:54.215Z
Updated: 2026-10-01T19:21:42.999Z
Reserved: 2026-09-30T10:52:32.248Z
Link: CVE-2026-103247
Updated: 2026-10-01T19:21:38.407Z
Status : Deferred
Published: 2026-10-01T11:17:18.070
Modified: 2026-10-01T20:17:22.590
Link: CVE-2026-103247
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