{"id":"CVE-2026-108859","state":"PUBLISHED","title":"mcp-go through 1.2.1 Denial of Service via Unbounded POST Body Buffering","description":"mcp-go through 1.2.1 contains a denial of service vulnerability in StreamableHTTPServer.ServeHTTP that allows remote unauthenticated attackers to exhaust memory by sending oversized POST bodies. 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