Threats Tagged 'cve-2026-79749'
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Threats Tagged 'cve-2026-79749'
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CVE-2026-79749: CWE-918: Server-Side Request Forgery (SSRF) in samanhappy mcphubCVE-2026-79749 0 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. Join the discussion | CVE Database V5 | 08/31/2026, 17:54:45 UTC Added: 08/31/2026, 18:07:42 UTC |
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