Openclaw · Openclaw · CVE-2026-41400
**Name of the Vulnerable Software and Affected Versions**
OpenClaw versions prior to 2026.3.31
**Description**
The voice-call component parses large WebSocket frames before start validation. Remote attackers can send oversized pre-start WebSocket frames to cause resource consumption and denial of service (DoS), which is a state where a system becomes unavailable to its intended users.
**Recommendations**
Update to version 2026.3.31 or later.