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CRITICAL severity

CVE-2026-31040 — stata-mcp

CRITICALFix: SepineTam/stata-mcp@52413ce

CVE-2026-31040 is a critical-severity (CVSS 9.8) Code Injection vulnerability in stata-mcp. A fix is available for stata-mcp — see the affected versions and patch details below.

stata-mcp has insufficient validation of user-supplied Stata do-file content that can lead to command execution

Also known asGHSA-jpcj-7wfg-mqxvPYSEC-2026-3076
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Oct 11, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.1%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs64th percentile — riskier than 64% of all scored CVEsHighest risk
0.00%0.52%1.04%1.56%0.1%1.1%May 26Sep 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2026-31040 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 386,684 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

1 pkg affected
🐍stata-mcp

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

A vulnerability was identified in stata-mcp prior to v1.13.0 where insufficient validation of user-supplied Stata do-file content can lead to command execution.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPIstata-mcpall versions1.13.0pip install --upgrade 'stata-mcp==1.13.0'

Affected Products

1 product · 1 configurations
Application
stata-mcpstatamcp
< 1.13.0
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for stata-mcp, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update stata-mcp to 1.13.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2026-31040 is resolved across your whole dependency graph.

  3. Workarounds

    Stop passing untrusted input into the interpreter or shell: call the affected binary with an argument array rather than a composed command string, reject anything outside a strict allowlist of expected values, and run the component under an account that cannot reach beyond the work it legitimately does.

Frequently Asked Questions

A vulnerability was identified in stata-mcp prior to v1.13.0 where insufficient validation of user-supplied Stata do-file content can lead to command execution.
O3 Security · Impact-Aware SCA

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CVE-2026-31040: stata-mcp — Fixed in 1.13.0