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CVE-2026-48989— Windows-MCP: HTTP transports expose unauthenticated PowerShell control with wildcard CORS

Quick assessment

Affected
CursorTouch Windows-MCP
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.

CursorTouch Windows-MCP是CursorTouch组织的一个Windows系统自动化控制平台。 CursorTouch Windows-MCP 0.7.5之前版本存在安全漏洞，该漏洞源于未对HTTP模式进行身份验证且启用通配符CORS，同时暴露PowerShell工具，可能导致攻击者从任意来源执行任意PowerShell命令。

AI Predicted 9.1 Difficulty: Easy EPSS 0.69% · P52

Affected Version Matrix 1

VendorProduct Version RangeStatus
CursorTouch Windows-MCP < 0.7.5 affected
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I. Basic Information for CVE-2026-48989

Vulnerability Information
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Vulnerability Title
Windows-MCP: HTTP transports expose unauthenticated PowerShell control with wildcard CORS
Source: CVE Program / CVE List V5
Vulnerability Description
Windows-MCP is an open-source project that integrates AI agents with Windows. In versions prior to 0.7.5, certain HTTP modes exposed the MCP control plane without authentication while enabling wildcard CORS (allow_origins=*, allow_methods=*, allow_headers=*). Because the same server also exposed a PowerShell tool that executes caller-controlled commands as the Windows user running Windows-MCP, attackers could reach the control plane from arbitrary origins or non-browser clients and achieve arbitrary PowerShell execution. This issue was fixed in version 0.7.5.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
CursorTouch Windows-MCP 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CursorTouch Windows-MCP是CursorTouch组织的一个Windows系统自动化控制平台。 CursorTouch Windows-MCP 0.7.5之前版本存在安全漏洞，该漏洞源于未对HTTP模式进行身份验证且启用通配符CORS，同时暴露PowerShell工具，可能导致攻击者从任意来源执行任意PowerShell命令。
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
CursorTouch Windows-MCP < 0.7.5 -

II. Public POCs for CVE-2026-48989

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III. Intelligence Information for CVE-2026-48989

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Patches & Fixes for CVE-2026-48989 (1)

Vendor Advisories for CVE-2026-48989 (1)

IV. Related Vulnerabilities

Same weakness: CWE-306

V. Comments for CVE-2026-48989

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