CVE-2026-42437

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

CVSS 8.2 HIGHEPSS 0.4%CWE-770

Vexday Risk Score

21Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 8.2EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Ciclo de vida

05 mai 2026Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

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:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Produtos afetados

OpenClaw · OpenClaw

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Referências

https://github.com/openclaw/openclaw/commit/afadb7dae6738819ad9c7d2597ace0516957d20e https://github.com/openclaw/openclaw/security/advisories/GHSA-vw3h-q6xq-jjm5 https://www.vulncheck.com/advisories/openclaw-denial-of-service-via-oversized-websocket-frames-in-voice-call-realtime-path