CVE-2026-35665

MEDIUM

5.3

Descricao

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.

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

Publicado4/10/2026

Ultima modificacao4/13/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

openclaw:openclaw

Fraquezas (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)

Correlacoes IOC

Sem correlacoes registradas

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