CVE-2026-35640

MEDIUM

5.3

Descripcion

OpenClaw before 2026.3.25 parses JSON request bodies before validating webhook signatures, allowing unauthenticated attackers to force resource-intensive parsing operations. Remote attackers can send malicious webhook requests to trigger denial of service by exhausting server resources through forced JSON parsing before signature rejection.

Detalles CVE

Puntuacion CVSS v3.15.3

SeveridadMEDIUM

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado4/9/2026

Ultima modificacion4/15/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

openclaw:openclaw

Debilidades (CWE)

CWE-696

Referencias

https://github.com/openclaw/openclaw/commit/5e8cb22176e9235e224be0bc530699261eb60e53(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/security/advisories/GHSA-3h52-cx59-c456(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openclaw-denial-of-service-via-unauthenticated-webhook-request-parsing(disclosure@vulncheck.com)

Correlaciones IOC

Sin correlaciones registradas

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