Descoberta e escopo
A Agência de Cibersegurança e Infraestrutura dos Estados Unidos (CISA) adicionou três vulnerabilidades críticas ao seu catálogo de Vulnerabilidades Exploradas Conhecidas (KEV) em 5 de agosto de 2026. A decisão foi tomada com base em evidências de exploração ativa no ambiente real, indicando que atacantes estão utilizando essas falhas para comprometer sistemas.
As vulnerabilidades listadas incluem uma falha de injeção de código no Langflow, uma falha no Apache Tomcat e uma falha no N-central. A severidade da falha no Langflow, identificada como CVE-2026-9198, recebeu uma pontuação CVSS de 9,8, classificando-a como crítica.
O que mudou agora
Com a inclusão no catálogo KEV, a CISA recomenda que as organizações priorizem a correção dessas falhas imediatamente. A exploração ativa significa que os atacantes já estão testando e utilizando essas vulnerabilidades para ganhar acesso não autorizado a sistemas.
Para o Langflow, a falha permite que atacantes não autenticados alcancem execução remota de código (RCE). Isso representa um risco significativo para organizações que utilizam essa ferramenta para desenvolvimento de fluxos de trabalho de IA.
Impacto e alcance
A falha no Langflow afeta principalmente ambientes onde ferramentas de desenvolvimento de IA são utilizadas. A capacidade de execução remota de código sem autenticação permite que atacantes assumam o controle total do servidor afetado.
As falhas no Tomcat e N-central também representam riscos operacionais significativos, especialmente para organizações que dependem desses serviços para gerenciamento de rede e infraestrutura.
Medidas de mitigação recomendadas
As organizações devem verificar imediatamente se seus sistemas estão expostos a essas vulnerabilidades. A aplicação de patches e atualizações de segurança deve ser priorizada.
Equipes de segurança devem monitorar logs de acesso e tráfego de rede em busca de atividades suspeitas relacionadas a essas vulnerabilidades. 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