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CVE PROGRAM SOURCE RECORD5.8 Medium

CVE-2026-103247

n8n before 1.123.80 Credential Tampering via Duplicate Node IDs

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

n8n-io n8n

Default version status: unaffected

  • 0 to < 1.123.80affected
pkg:npm/n8n

References