CVE-2026-41400

MEDIUM

OpenClaw < 2026.3.31 - Resource Consumption via Oversized WebSocket Frames in voice-call

Title source: cna
STIX 2.1

Description

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.

References (3)

Scores

CVSS v3 5.3
EPSS 0.0011
EPSS Percentile 29.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-770
Status published
Products (2)
OpenClaw/OpenClaw < 2026.3.31
OpenClaw/OpenClaw 2026.3.31
Published Apr 28, 2026
Tracked Since Apr 29, 2026