GHSA-r48c-v28r-pf6vPublished
MCP Registry has an unauthenticated SSRF: HTTP namespace verification dials 6to4 / NAT64 / site-local IPv6 addresses, bypassing private-address allowlist
Exact source revision recorded 24 Oct 2026 13:19:41 UTC. It does not establish the source's current position. Latest evidence.
Explicit identifiers and source references
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CVE-2026-44430 · Microsoft / collected KEV context
osv · GHSA-r48c-v28r-pf6v
- https://github.com/modelcontextprotocol/registry/security/advisories/GHSA-r48c-v28r-pf6v
- https://nvd.nist.gov/vuln/detail/CVE-2026-44430
- https://github.com/modelcontextprotocol/registry/pull/1250
- https://github.com/modelcontextprotocol/registry/commit/f5f40bd98084466eaf18fe48ea62a0d534caa774
- https://github.com/modelcontextprotocol/registry
- https://github.com/modelcontextprotocol/registry/releases/tag/v1.7.7
Current operational correlations are not mixed into this historical source record. Open latest evidence to discover current connections.