Hub/AI Security/Advisories/GHSA-89xv-2j6f-qhc8
Cross-Site Tool Execution for HTTP Servers without Authorization in github.com/modelcontextprotocol/go-sdk
MCP Go SDK security advisory.
| GHSA | GHSA-89xv-2j6f-qhc8 |
|---|---|
| Published | Mar 18, 2026 |
| Severity | High 7.1 |
| CVE | CVE-2026-33252 |
| Status | patched |
| Affected | <= 1.4.0 |
| Fixed in | 1.4.1 |
| Component | MCP Go SDK |
Sources
Checked 2026-11-04. We copy severity and fix versions from the source and never estimate them.
Affected tools
Weekly, free
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