Hub/AI Security/Advisories/GHSA-vj7q-gjh5-988w
WebSocket server transport does not support Host/Origin validation
MCP Python SDK security advisory.
| GHSA | GHSA-vj7q-gjh5-988w |
|---|---|
| Published | Jul 7, 2026 |
| Severity | High 7.6 |
| CVE | CVE-2026-59950 |
| Status | patched |
| Affected | < 1.28.1 |
| Fixed in | 1.28.1 |
| Component | MCP Python SDK |
Sources
Checked 2026-11-04. We copy severity and fix versions from the source and never estimate them.
Affected tools
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