SepineTam mcp-for-stata up to 1.18.x ado_package_install package os command injection

Summaryinfo

A vulnerability categorized as critical has been discovered in SepineTam mcp-for-stata up to 1.18.x. Affected by this vulnerability is the function ado_package_install. Such manipulation of the argument package leads to os command injection. This vulnerability is uniquely identified as CVE-2026-55071. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in SepineTam mcp-for-stata up to 1.18.x. It has been rated as critical. Affected by this issue is the function ado_package_install. The manipulation of the argument package with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

MCP-for-Stata is a MCP server for integrating Stata into agent loops with a safety-first design. Prior to version 1.19.0, the ado_package_install MCP tool in stata-mcp concatenates user-controlled input directly into a Stata command string without any validation or sanitization. An attacker who can invoke the MCP tool or the equivalent Python API can embed newline characters in the package argument to inject arbitrary Stata commands. Because Stata supports a shell escape command, this leads to full OS-level arbitrary command execution (RCE) under the account running the Stata-MCP server. The tool is registered in the default all profile, so no non-default configuration is required. This issue has been patched in version 1.19.0.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-55071 since 06/16/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

Upgrading to version 1.19.0 eliminates this vulnerability.

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Productinfo

Type

• Artificial Intelligence Software

Vendor

• SepineTam

Name

• mcp-for-stata

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18

Website

• Product: https://github.com/SepineTam/mcp-for-stata/

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