Moderate severityNVD Advisory· Published Mar 19, 2026· Updated Mar 19, 2026
OpenClaw 2026.1.21 < 2026.2.19 - Command Injection via Windows Shell Fallback in Lobster Extension
CVE-2026-31995
Description
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 spawn failures trigger shell fallback with shell: true, attackers can exploit cmd.exe command interpretation to execute malicious commands by controlling workflow arguments.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
openclawnpm | >= 2026.1.21, < 2026.2.19 | 2026.2.19 |
Affected products
2Patches
Vulnerability mechanics
References
5- github.com/openclaw/openclaw/commit/ba7be018da354ea9f803ed356d20464df0437916ghsapatchWEB
- github.com/advisories/GHSA-fg3m-vhrr-8gj6ghsaADVISORY
- github.com/openclaw/openclaw/security/advisories/GHSA-fg3m-vhrr-8gj6ghsathird-party-advisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-31995ghsaADVISORY
- www.vulncheck.com/advisories/openclaw-command-injection-via-windows-shell-fallback-in-lobster-extensionghsathird-party-advisoryWEB
News mentions
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