ToolHive: SSRF in remote MCP server authentication discovery (host-side, bypasses container isolation)

Security Advisory: SSRF in remote MCP server authentication discovery Severity: High. CWE: CWE-918. Affected: ToolHive through the latest release v0.29.3 and current main HEAD b672d82f, 2026-06-12; re-verified 2026-06-14. FetchResourceMetadata and the discovery clients remain unguarded; no commit...