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CVE-2026-42437

CVE-2026-42437 · OpenClaw 2026.4.9 < 2026.4.10 - Denial of Service via Oversized WebSocket Frames in Voice-call Realtime Path

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 8.2 · High · EPSS 0.4% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • openclaw

    Versions
    • ≥ 2026.4.9, < 2026.4.10: Affected (semver)
    • 2026.4.10: Not affected (semver)

    Update to 2026.4.10

  • openclaw npm

    Affected ranges
    • SEMVER: ≥ 2026.4.9, < 2026.4.10

    Update to 2026.4.10

Original sources

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