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9.4 Critique

CVE-2026-9739 Vulnerable to DNS rebinding attacks when using SSE (http://b/499408790)

Description

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-Origin: *` header in the SSE initialization handler was inadvertently retained. This vulnerability specifically impacts users connecting via Toolbox using SSE under specification v2024-11-05.

Produits et versions touchés

Produit Versions touchées Corrigé en
MCP Toolbox for Databases Versions non publiées

Références

Chronologie

  1. Publiée
  2. Dernière modification

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