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CVE-2026-39974 n8n-MCP has an Authenticated SSRF via instance-URL header in multi-tenant HTTP mode
| Reporter | Title | Published | Views | Family All 12 |
|---|---|---|---|---|
 | CVE-2026-39974 | 9 Apr 202616:45 | – | attackerkb |
 | CVE-2026-39974 | 9 Apr 202619:22 | – | circl |
 | n8n-MCP 代码问题漏洞 | 9 Apr 202600:00 | – | cnnvd |
 | CVE-2026-39974 | 9 Apr 202616:45 | – | cve |
 | EUVD-2026-20968 | 9 Apr 202616:45 | – | euvd |
 | n8n-mcp has authenticated SSRF via instance-URL header in multi-tenant HTTP mode | 8 Apr 202619:53 | – | github |
 | CVE-2026-39974 | 9 Apr 202617:16 | – | nvd |
 | GHSA-4GGG-H7PH-26QR n8n-mcp has authenticated SSRF via instance-URL header in multi-tenant HTTP mode | 8 Apr 202619:53 | – | osv |
 | PT-2026-31662 | 8 Apr 202600:00 | – | ptsecurity |
 | CVE-2026-39974 | 14 Apr 202601:22 | – | redhatcve |
10
[
{
"vendor": "czlonkowski",
"product": "n8n-mcp",
"versions": [
{
"version": "< 2.47.4",
"status": "affected"
}
]
}
]Data
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09 Apr 2026 16:45Current
CVSS 3.18.5
EPSS0.00316