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N8
Product
n8n-mcp
by czlonkowski · last CVE Jul 15, 2026
9
CVEs
0
On KEV
9.9
Max CVSS
0
New 30D
Vulnerabilities9In the news0Timeline
Severity mix
Critical 2High 3Medium 4Low 0
Severity
All severities9Critical2High3Medium4Low0
Exploitation
On CISA KEV0Exploited in the wild0
Watch

Add n8n-mcp to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-54052
9.9
0%
Jul 15
n8n-MCP: Cross-tenant access to workflow version backups in multi-tenant HTTP deployments
Affected: < 2.56.1
CVE-2026-44694
9.1
0%
May 8
n8n-MCP: Authenticated SSRF in n8n-mcp webhook and API client paths
Affected: >= 2.18.7, < 2.50.2
CVE-2026-42449
8.5
0%
May 7
n8n-MCP: IPv4-mapped IPv6 addresses bypass SSRF protection in validateUrlSync(), enabling full SSRF for SDK embedders
Affected: >= 2.47.4, < 2.47.14
CVE-2026-39974
8.5
0%
Apr 9
n8n-MCP has an Authenticated SSRF via instance-URL header in multi-tenant HTTP mode
Affected: < 2.47.4
CVE-2026-45707
8.1
0%
May 29
n8n-MCP: Multi-tenant MCP requests fall back to process-level n8n credentials when tenant headers are absent or incomplete
Affected: < 2.51.2
CVE-2026-45582
6.5
0%
May 29
n8n-MCP: Workflow telemetry sanitizer could retain partial values from URL-shaped node parameters
Affected: < 2.51.3
CVE-2026-55608
5.4
0%
Jul 15
n8n-MCP: Incorrect authorization can expose default-scope workflow version backups in multi-tenant HTTP mode
Affected: < 2.57.4
CVE-2026-41495
5.3
0%
May 8
n8n-MCP Logs Sensitive Request Data on Unauthorized /mcp Requests
Affected: < 2.47.11
CVE-2026-42282
4.3
0%
May 8
n8n-MCP: Sensitive MCP tool-call arguments logged on authenticated requests in HTTP mode
Affected: < 2.47.13
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