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CVE-2026-42437

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CVE-2026-42437

Published: May 5, 2026

Modified: May 26, 2026

PUBLISHED

CVSS v3.1

7.5

HIGH

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.

VendorProductVersions

OpenClaw

OpenClaw

affected
2026.4.9 - < 2026.4.10
unaffected
2026.4.10

Weaknesses (CWE)

CWE-770

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

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