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bdu:2026-05251

BREW-openclaw-cli-CVE-2026-31995 — OpenClaw has Windows Lobster shell fallback command injection in constrained fallback path

Affected: Homebrew: openclaw-cli

### Summary On Windows, the Lobster extension previously retried certain spawn failures (`ENOENT`/`EINVAL`) with `shell: true` for wrapper compatibility. In that fallback path, tool-provided arguments could be interpreted by `cmd.exe` if fallback was triggered.

### Affected Packages / Versions - Package: `openclaw` (npm) - Latest published version at triage: `2026.2.17` - Affected range: `>= 2026.1.21 <= 2026.2.17` - Patched version: `2026.2.19` (pre-set for next release)

### Fix The Windows shell fallback was removed. Wrapper compatibility is preserved by resolving `.cmd`/`.bat` shims to a concrete Node entrypoint (or executable) and executing with explicit argv (no shell). If a safe entrypoint cannot be resolved, execution now fails closed with a guided error.

### Fix Commit(s) - `ba7be018da354ea9f803ed356d20464df0437916`

### Severity Context This issue requires Windows plus fallback-triggering conditions, and argument control through a local operator-defined workflow.

OpenClaw thanks @tdjackey for reporting.

EUVD-2026-329392

fkie_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 spawn failures trigger shell fallback with shell: true, attackers can exploit cmd.exe command interpretation to execute malicious commands by controlling workflow arguments.

GHSA-fg3m-vhrr-8gj6 — OpenClaw has Windows Lobster shell fallback command injection in constrained fallback path

Affected: npm: openclaw

### Fix Commit(s) - `ba7be018da354ea9f803ed356d20464df0437916`

### Severity Context This issue requires Windows plus fallback-triggering conditions, and argument control through a local operator-defined workflow.

OpenClaw thanks @tdjackey for reporting.

WID-SEC-W-2026-0472 — OpenClaw: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in OpenClaw ausnutzen, um beliebigen Programmcode auszuführen, sich erhöhte Berechtigungen zu verschaffen, Daten zu manipulieren, einen Denial-of-Service-Zustand auszulösen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen oder andere nicht näher spezifizierte Angriffe durchzuführen.