CVE-2026-35646

MEDIUM

4.8

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.14.8

SeveridadeMEDIUM

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

Vetor de ataqueNETWORK

ComplexidadeHIGH

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado4/9/2026

Ultima modificacao4/15/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

openclaw:openclaw

Fraquezas (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)

Correlacoes IOC

Sem correlacoes registradas

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