CVE-2026-41400 MEDIUM

CVE-2026-41400: OpenClaw < 2026.3.31 - Resource Consumption via Oversized WebSocket Frames in voice-call

Vendor Openclaw
Product OpenClaw
Weakness CWE-770 · Uncontrolled resource consumption
Published April 28, 2026
Last update April 30, 2026
View on NVD All CVEs

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

What the vulnerability does

01Description

OpenClaw before 2026.3.31 contains an incomplete fix for CVE-2026-32062 where 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.

Key dates

02Disclosure timeline

April 28, 2026 CVE published
April 30, 2026 Record updated