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 webhook path.

INFO

Published Date :

2026-05-05T11:24:55.977Z

Last Modified :

2026-05-05T12:20:06.090Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2026-42437 vulnerability.

Vendors Products
Openclaw
  • Openclaw
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-42437.

URL Resource
https://github.com/openclaw/openclaw/commit/afadb7dae6738819ad9c7d2597ace0516957d20e cve-icon cve-icon
https://github.com/openclaw/openclaw/security/advisories/GHSA-vw3h-q6xq-jjm5 cve-icon cve-icon
https://www.vulncheck.com/advisories/openclaw-denial-of-service-via-oversized-websocket-frames-in-voice-call-realtime-path cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
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User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact