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CVE-2026-44717— MCP Calculate Server: Prompt Injection to RCE

Quick assessment

Affected
611711Dark mcp_calculate_server
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.

MCP Calculate Server是611711Dark个人开发者的一个基于MCP协议的数学计算服务工具。 MCP Calculate Server 0.1.1之前版本存在代码注入漏洞，该漏洞源于使用eval()评估数学表达式时未进行输入清理，可能导致远程代码执行。

CVSS 9.8 · Critical EPSS 0.86% · P58

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
611711Dark mcp_calculate_server < 0.1.1 affected
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I. Basic Information for CVE-2026-44717

Vulnerability Information
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Vulnerability Title
MCP Calculate Server: Prompt Injection to RCE
Source: CVE Program / CVE List V5
Vulnerability Description
MCP Calculate Server is a mathematical calculation service based on MCP protocol and SymPy library. Prior to 0.1.1, the use of eval() to evaluate mathematical expressions without proper input sanitization leads to remote code execution. This vulnerability is fixed in 0.1.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
MCP Calculate Server 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MCP Calculate Server是611711Dark个人开发者的一个基于MCP协议的数学计算服务工具。 MCP Calculate Server 0.1.1之前版本存在代码注入漏洞，该漏洞源于使用eval()评估数学表达式时未进行输入清理，可能导致远程代码执行。
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
611711Dark mcp_calculate_server < 0.1.1 -

II. Public POCs for CVE-2026-44717

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-44717

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Vendor Advisories for CVE-2026-44717 (1)

IV. Related Vulnerabilities

Same weakness: CWE-94

V. Comments for CVE-2026-44717

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