CVE-2026-9739Published
Vulnerable to DNS rebinding attacks when using SSE (http://b/499408790). During the beta phase, we implemented `allowed-origins` and `allowed-hosts` flags to align with MCP security guidelines. However, the hardcoded `Access-Control-Allow-O…
Exact source revision recorded 25 Oct 2026 16:19:28 UTC. It does not establish the source's current position. Latest evidence.
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CVE-2026-9739 · Microsoft / collected KEV context
nvd · CVE-2026-9739
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