Remote Code Execution Vulnerability in MCP Calculate Server by 611711Dark
CVE-2026-44717

9.8CRITICAL

Key Information:

Vendor

611711dark

Status
Mcp Calculate Server
Vendor
CVE Published:
15 May 2026

What is CVE-2026-44717?

MCP Calculate Server, a mathematical calculation service utilizing the MCP protocol and SymPy library, was found to have a critical vulnerability prior to version 0.1.1. The improper use of the eval() function to process mathematical expressions without adequate input sanitization poses a risk of remote code execution. This flaw can allow unauthorized users to execute arbitrary code on the server, potentially compromising the entire system's security and integrity. The issue has been addressed in version 0.1.1, which includes necessary input validation measures to prevent such exploits.

Affected Version(s)

mcp_calculate_server < 0.1.1

References

https://github.com/611711Dark/mcp_calculate_server/securi...
x_refsource_CONFIRM

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.