CVE-2026-41387: OpenClaw < 2026.3.22 - Supply Chain Redirection via Incomplete Host Environment Sanitization

OpenClaw before 2026.3.22 contains an incomplete host environment variable sanitization vulnerability in host-env-security-policy.json and host-env-security.ts that allows package-manager environment overrides. Attackers can exploit approved exec requests to redirect package resolution or runtime bootstrap to attacker-controlled infrastructure and execute trojanized content.