I found OAuth credential exposure flaws in the official MCP Python and TypeScript SDKs. Why patching CVE-2026-115563 and CVE-2026-104850 may not be enough.

Six SAP Cloud SDK for Python releases skip tenant checks in Destination calls, enabling OAuth2 client secret leaks if attackers control tenant names.

Client-server is a relationship in which one program, the client, requests a service or resource from another program, the server. The label client-server was previously used to distinguish ...

If you want to go beyond a simple client you need to make use of a more general network connection method. The usual way of doing this is to make use of “sockets”. This is a widely supported internet ...

Once we have a socket object and the ability to specify an address, we have to connect it to another socket to make a two-way communication channel. Data can be written and read at both sockets that ...