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.
Advisories
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Fixes
Solution
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Workaround
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References
History
Tue, 05 May 2026 11:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | OpenClaw 2026.4.9 < 2026.4.10 - Denial of Service via Oversized WebSocket Frames in Voice-call Realtime Path | |
| First Time appeared |
Openclaw
Openclaw openclaw |
|
| Weaknesses | CWE-770 | |
| CPEs | cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:* | |
| Vendors & Products |
Openclaw
Openclaw openclaw |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-05-05T12:20:06.090Z
Reserved: 2026-04-27T11:40:07.152Z
Link: CVE-2026-42437
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OpenCVE Enrichment
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Weaknesses