CVE-2026-35665

MEDIUM

5.3

Descripcion

OpenClaw before 2026.3.24 contains an incomplete fix for CVE-2026-32011 where the Feishu webhook handler accepts request bodies with permissive limits of 1MB and 30-second timeout before signature verification. An unauthenticated attacker can exhaust server connection resources by sending concurrent slow HTTP POST requests to the Feishu webhook endpoint, blocking legitimate webhook deliveries.

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

Publicado4/10/2026

Ultima modificacion4/13/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

openclaw:openclaw

Debilidades (CWE)

CWE-405

Referencias

https://github.com/openclaw/openclaw/security/advisories/GHSA-w6m8-cqvj-pg5v(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openclaw-denial-of-service-via-feishu-webhook-pre-auth-body-parsing(disclosure@vulncheck.com)

Correlaciones IOC

Sin correlaciones registradas

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