CVE-2026-44430Published

MCP Registry: Unauthenticated SSRF: HTTP namespace verification dials 6to4 / NAT64 / site-local IPv6 addresses, bypassing private-address allowlist

cve-program · CVE-2026-44430

Published

registry

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "modelcontextprotocol",
                    "product": "registry",
                    "versions": [
                        {
                            "version": "< 1.7.7",
                            "status": "affected"
                        }
                    ]
                }

euvd · EUVD-2026-30488

Published

No affected-package array is stated in this source revision. Check its state and earlier observations; this does not establish that every package is unaffected.

nvd · CVE-2026-44430

Published

No affected-package array is stated in this source revision. Check its state and earlier observations; this does not establish that every package is unaffected.

osv · GHSA-r48c-v28r-pf6v

Published

github.com/modelcontextprotocol/registry

SEMVER · introduced 0 → fixed 1.7.7

osv · GO-2026-5607

Published

github.com/modelcontextprotocol/registry

SEMVER · introduced 0 → fixed 1.7.7