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CVE-2026-11624

Quick assessment

Affected
Google MCP Toolbox for Databases
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Google MCP Toolbox for Databases是美国Google公司的数据库管理工具。 Google MCP Toolbox for Databases 0.25.0之前版本存在输入验证错误漏洞，该漏洞源于服务器无法对传入连接的 "Origin" 头部进行主机（Host）验证。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.22% · P12

Affected Version Matrix 1

VendorProduct Version RangeStatus
Google MCP Toolbox for Databases < 0.25.0 affected
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I. Basic Information for CVE-2026-11624

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The Model Context Protocol has a security warning advising servers to validate the "Origin" header on all incoming connections to prevent DNS rebinding attacks. Prior to the v0.25.0 release, users had no way to validate the origin's host. In v0.25.0, a new "--allowed-hosts" flag was introduced alongside the existing "--allowed-origins" flag, enabling users to specify permitted hosts at server startup. Both flags default to "*", allowing users to implement strict access controls as needed without breaking existing setups. If either flag is set to "*", the server will output a startup warning about potential vulnerabilities. Documentation has also been updated to highlight these security considerations.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
源验证错误
Source: CVE Program / CVE List V5
Vulnerability Title
Google MCP Toolbox for Databases 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google MCP Toolbox for Databases是美国Google公司的数据库管理工具。 Google MCP Toolbox for Databases 0.25.0之前版本存在输入验证错误漏洞，该漏洞源于服务器无法对传入连接的 "Origin" 头部进行主机（Host）验证。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Google MCP Toolbox for Databases 0 ~ 0.25.0 -

II. Public POCs for CVE-2026-11624

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III. Intelligence Information for CVE-2026-11624

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Patches & Fixes for CVE-2026-11624 (1)

News Coverage for CVE-2026-11624 (1)

IV. Related Vulnerabilities

Same product: MCP Toolbox for Databases
Same vendor: Google
Same weakness: CWE-346

V. Comments for CVE-2026-11624

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