CVSS 4.0
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, с обикновен потребителски вход и без действие от потребителя.
- Експлоатация: има публичен пример за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
MCPHub is a unified hub for centrally managing and dynamically orchestrating multiple MCP servers/APIs into separate endpoints with flexible routing strategies. Prior to version 1.0.32, MCPHub's SSRF guard in src/utils/ssrf.ts uses a custom isBlockedIpv6 function that only checks for loopback, link-local, unique-local, IPv4-mapped, and IPv4-compatible IPv6 addresses. IPv6 transition address families -- NAT64 (64:ff9b::/96), 6to4 (2002::/16), and Teredo (2001::/32) -- are not checked. An attacker who can specify a URL for an MCP server connection can encode a private IPv4 address inside one of these IPv6 forms to bypass the SSRF guard and reach internal infrastructure. This issue has been patched in version 1.0.32.
Засегнати продукти
- samanhappy mcphub: < 1.0.32
Вид слабост
История
- 31 август 2026 Публикувано
Други уязвимости в samanhappy mcphub
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-79749
- https://nvd.nist.gov/vuln/detail/CVE-2026-79749
- https://github.com/samanhappy/mcphub/security/advisories/GHSA-pr4x-3pc7-2fhw
- https://github.com/samanhappy/mcphub/pull/1069
- https://github.com/samanhappy/mcphub/commit/2b10ae36112ce68deebf910b22505d44efcef552
- https://github.com/samanhappy/mcphub/releases/tag/v1.0.32