What is CVE-2026-31995?

CVE-2026-31995 is a medium-severity vulnerability in Openclaw, classified under OS Command Injection. CVSS score: 5.3/10. Published 2026-03-19.

How severe is CVE-2026-31995?

Medium severity. CVSS v3 base score is 5.3 out of 10.

RCE in Openclaw

CVE-2026-31995

OpenClaw versions 2026.1.21 prior to 2026.2.19 contain a command injection vulnerability in the Lobster extension's Windows shell fallback mechanism that allows attackers to inject arbitrary commands through tool-provided arguments. When s…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.000 (12.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L.

Affected products

Openclaw — versions 2026.1.21, 2026.2.19

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

GitHub Security Advisory (GHSA-fg3m-vhrr-8gj6) (third-party-advisory)
Patch Commit (patch)
VulnCheck Advisory: OpenClaw 2026.1.21 < 2026.2.19 - Command Injection via Windows Shell Fallback in Lobster Extension (third-party-advisory)

Frequently asked questions

What is CVE-2026-31995?: CVE-2026-31995 is a medium-severity vulnerability in Openclaw, classified under OS Command Injection. CVSS score: 5.3/10. Published 2026-03-19.
How severe is CVE-2026-31995?: Medium severity. CVSS v3 base score is 5.3 out of 10.