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EUVD-2026-30292

🗓️ 14 May 2026 14:24:56Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 4 Views

RMCP fixes Host header validation in Streamable HTTP server to prevent DNS rebinding on MCP server in 1.4.0.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-42559
14 May 202614:24
attackerkb
Chainguard
CVE-2026-42559 vulnerabilities
8 May 202613:17
cgr
Circl
CVE-2026-42559
18 May 202617:40
circl
CNNVD
RMCP 访问控制错误漏洞
14 May 202600:00
cnnvd
CVE
CVE-2026-42559
14 May 202614:24
cve
Cvelist
CVE-2026-42559 RMCP: DNS rebinding vulnerability in rmcp Streamable HTTP server transport
14 May 202614:24
cvelist
Github Security Blog
rmcp Streamable HTTP server transport has a DNS rebinding vulnerability
6 May 202621:55
github
Github Security Blog
dynoxide: DNS rebinding and cross-origin CSRF via MCP HTTP transport
18 May 202617:00
github
NVD
CVE-2026-42559
14 May 202615:16
nvd
OSV
CGA-9XHH-G3M3-9725
8 May 202609:00
osv
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "f09a88d0-1069-367d-a283-d8524479c980",
        "vendor": {
          "name": "modelcontextprotocol"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "c7fda75f-c61c-3927-956a-b5b2db08aceb",
        "product": {
          "name": "rust-sdk"
        },
        "product_version": "< 1.4.0"
      }
    ]
  }
]

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14 May 2026 16:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.8
EPSS0.00213
SSVC
4