CVE-2026-35646

MEDIUM

4.8

Descripcion

OpenClaw before 2026.3.25 contains a pre-authentication rate-limit bypass vulnerability in webhook token validation that allows attackers to brute-force weak webhook secrets. The vulnerability exists because invalid webhook tokens are rejected without throttling repeated authentication attempts, enabling attackers to guess weak tokens through rapid successive requests.

Detalles CVE

Puntuacion CVSS v3.14.8

SeveridadMEDIUM

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

Vector de ataqueNETWORK

ComplejidadHIGH

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado4/9/2026

Ultima modificacion4/15/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

openclaw:openclaw

Debilidades (CWE)

CWE-307

Referencias

https://github.com/openclaw/openclaw/commit/0b4d07337467f4d40a0cc1ced83d45ceaec0863c(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/security/advisories/GHSA-mf5g-6r6f-ghhm(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openclaw-pre-authentication-rate-limit-bypass-in-webhook-token-validation(disclosure@vulncheck.com)

Correlaciones IOC

Sin correlaciones registradas

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