CVE-2026-31040
CRITICAL: Stata MCP do-file validation flaw allows command execution
Is CVE-2026-31040 being exploited?
Not confirmed. CVE-2026-31040 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.56% probability of exploitation in the next 30 days.
How severe is CVE-2026-31040?
CVE-2026-31040 is rated Critical with a CVSS score of 9.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-31040?
Yes. A fix has been recorded for CVE-2026-31040. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-31040 affect?
CVE-2026-31040 affects Stata MCP (< v1.13.0). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-31040?
Patch to v1.13.0+ immediately
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution via crafted do-file content; executes arbitrary commands with user privileges.
Patch when possible