TI-2026-65622 Aliases CVE-2026-103247 GHSA-v9vf-c827-9m93

n8n before 1.123.80 Credential Tampering via Duplicate Node IDs

LOW 28CWE-639Published 2026-10-01 · Updated 2026-10-01

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: Present
Impact type: Security bypass
Confidentiality · integrity · availability: Low · None · None
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00236 14th percentileScored 2026-11-07

Fix Fixed n8n (n8n-io): 1.123.80

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
n8n	n8n	before 1.123.80	1.123.80	Patch available	CNA

n8n Vendorn8n Affected before 1.123.80 Fixed in 1.123.80 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:n8n:n8n::::::::	—	—	n8n

cpe:2.3:a:n8n:n8n:*:*:*:*:*:*:*:* Versions — — ·n8n

Remediation

Fix · CNA n8n (n8n-io) Fixed in 1.123.80

Timeline

2026-10-02 Threatist record created from CVE-2026-103247
2026-10-03 Alias added: GHSA-v9vf-c827-9m93

References

Advisory 1

GitHub Security Advisory (GHSA-7gjv-rcf8-x5qc)

TI-2025-42131 n8n Vulnerable to Remote Code Execution via Expression Injection KEVCVSS 3.1CRITICAL 10.0
TI-2026-17560 n8n Vulnerable to Unauthenticated File Access via Improper Webhook Request Handling CVSS 3.1CRITICAL 10.0
TI-2026-01167 Authenticated users can bypass the Expression sandbox mechanism to achieve full remote… CVSS 3.1CRITICAL 9.9
TI-2026-00644 Sandbox escape in n8n Python task runner allows for arbitrary code execution on the underlying host. CVSS 3.1CRITICAL 9.9
TI-2026-82991 Code execution in n8n via deprecated Function nodes CVSS 4.0HIGH 8.7
TI-2025-35293 An arbitrary file upload vulnerability in the Chat Trigger component of N8N v1.95.3… CVSS 3.1HIGH 8.8

See all 233 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences