CVE-2026-31995
OpenClaw 2026.1.21 < 2026.2.19 - Command Injection via Windows Shell Fallback in Lobster Extension
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-78 |
| Vendor | openclaw |
| Product | openclaw |
| Published | Mar 19, 2026 |
| Last Updated | Mar 19, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
Low
Affected Versions
OpenClaw / OpenClaw
2026.1.21 < 2026.2.19
References
github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-fg3m-vhrr-8gj6 github.com: https://github.com/openclaw/openclaw/commit/ba7be018da354ea9f803ed356d20464df0437916 vulncheck.com: https://www.vulncheck.com/advisories/openclaw-command-injection-via-windows-shell-fallback-in-lobster-extension
Credits
🔍 tdjackey