What is CVE-2026-31994?

CVE-2026-31994 is a high-severity vulnerability in Microsoft Windows, classified under OS Command Injection. CVSS score: 7.1/10. Published 2026-03-19.

How severe is CVE-2026-31994?

High severity. CVSS v3 base score is 7.1 out of 10.

RCE in Microsoft Windows

CVE-2026-31994

OpenClaw versions prior to 2026.2.19 contain a local command injection vulnerability in Windows scheduled task script generation due to unsafe handling of cmd metacharacters and expansion-sensitive characters in gateway.cmd files. Local attackers with control over service script generation arguments can inject arbitrary commands by providing metacharacter-only values or CR/LF sequences that execute unintended code in the scheduled task context.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.006 (43.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Microsoft Windows
Openclaw — versions 0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

disclosure@vulncheck.com (vendor-advisory, Vendor Advisory, third-party-advisory)
disclosure@vulncheck.com (Patch, patch)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-31994?: CVE-2026-31994 is a high-severity vulnerability in Microsoft Windows, classified under OS Command Injection. CVSS score: 7.1/10. Published 2026-03-19.
How severe is CVE-2026-31994?: High severity. CVSS v3 base score is 7.1 out of 10.