CVE-2026-35640

MEDIUM

5.3

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.15.3

SeveridadeMEDIUM

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado4/9/2026

Ultima modificacao4/15/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

openclaw:openclaw

Fraquezas (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)

Correlacoes IOC

Sem correlacoes registradas

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