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CVE-2026-42449 n8n-MCP: IPv4-mapped IPv6 addresses bypass SSRF protection in validateUrlSync(), enabling full SSRF for SDK embedders
| Reporter | Title | Published | Views | Family All 11 |
|---|---|---|---|---|
 | CVE-2026-42449 | 7 May 202620:46 | – | attackerkb |
 | CVE-2026-42449 | 7 May 202621:51 | – | circl |
 | n8n-MCP 代码问题漏洞 | 7 May 202600:00 | – | cnnvd |
 | CVE-2026-42449 | 7 May 202620:46 | – | cve |
 | n8n-mcp's IPv4-mapped IPv6 addresses bypass SSRF protection in validateUrlSync(), enabling full SSRF for SDK embedders | 30 Apr 202618:12 | – | github |
 | CVE-2026-42449 | 7 May 202621:16 | – | nvd |
 | GHSA-56C3-VFP2-5QQJ n8n-mcp's IPv4-mapped IPv6 addresses bypass SSRF protection in validateUrlSync(), enabling full SSRF for SDK embedders | 30 Apr 202618:12 | – | osv |
 | PT-2026-36822 | 30 Apr 202600:00 | – | ptsecurity |
 | CVE-2026-42449 | 5 Jun 202619:16 | – | redhatcve |
 | Server-side Request Forgery (SSRF) | 30 Apr 202618:12 | – | snyk |
10
[
{
"vendor": "czlonkowski",
"product": "n8n-mcp",
"versions": [
{
"version": ">= 2.47.4, < 2.47.14",
"status": "affected"
}
]
}
]Data
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07 May 2026 20:46Current
CVSS 3.18.5
EPSS0.00045