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OpenAdvisories
High · 7.5 CVE-2026-42437 EUVD-2026-27257GHSA-vw3h-q6xq-jjm5

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

Published May 5, 2026 · Updated May 26, 2026 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
OpenClaw OpenClaw 2026.4.9 – < 2026.4.10 2026.4.10

Affected packages

EcosystemPackageAffectedFixedRecord
npm openclaw >= 2026.4.9, < 2026.4.10 2026.4.10 GHSA-vw3h-q6xq-jjm5

Advisories 1

References