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CVE-2026-55071

MCP-for-Stata: Stata Command Injection via Unsanitized `package` in `ado_package_install`

CVSS 3.1 8.4 HIGHCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-55071

Published

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.

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23 Oct 2026 15:48:27 UTC

MCP-for-Stata: Stata Command Injection via Unsanitized `package` in `ado_package_install`

cve-program · CVE-2026-55071 · Published

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