VULNERABILITY INTELLIGENCE

CVE-2026-42437

CVSS score7.5 HIGH
EPSS probability0.41%
CISA KEVNot currently listed
Published2026-05-05
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

OpenClaw versions 2026.4.9 before 2026.4.10 contain a denial of service vulnerability in the voice-call realtime WebSocket path that accepts oversized frames without proper validation. Remote attackers can send oversized WebSocket frames to cause service unavailability for deployments exposing the voice-call realtime WebSocket path.

Weakness classification

  • disclosure@vulncheck.com: CWE-770

Primary references