What is CVE-2026-31040?

CVE-2026-31040 is a critical-severity vulnerability in Statamcp Stata-Mcp, classified under Code Injection. CVSS score: 9.8/10. Published 2026-04-08.

How severe is CVE-2026-31040?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Statamcp Stata-Mcp

CVE-2026-31040

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.

Vulnerability class: RCE (Remote Code Execution)

Published 2026-04-08 · last modified 2026-07-25.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (63.4th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.011 · change: +0.005

Affected products

Statamcp Stata-Mcp

Weakness classification (CWE)

CWE-94 — Code Injection

References

github.com/SepineTam/stata-mcp/issues/20 (Issue Tracking, Vendor Advisory)
github.com/SepineTam/stata-mcp/pull/21 (Issue Tracking)
github.com/SepineTam/stata-mcp/commit/52413ce (Patch)
github.com/SepineTam/stata-mcp/releases/tag/v1.13.0 (Release Notes)

Frequently asked questions

What is CVE-2026-31040?: CVE-2026-31040 is a critical-severity vulnerability in Statamcp Stata-Mcp, classified under Code Injection. CVSS score: 9.8/10. Published 2026-04-08.
How severe is CVE-2026-31040?: Critical severity. CVSS v3 base score is 9.8 out of 10.