CVE-2026-35626 OpenClaw < 2026.3.22 - Unauthenticated Resource Exhaustion via Voice Call Webhook

OpenClaw before 2026.3.22 contains an unauthenticated resource exhaustion vulnerability in voice call webhook handling that buffers request bodies before provider signature checks. Attackers can send large or malicious webhook requests to exhaust server resources without authentication by bypassi...