CVE-2026-44009: Critical RCE in vm2 Node.js Sandbox
Plataforma
nodejs
Componente
vm2
Corrigido em
3.11.2
CVE-2026-44009 represents a critical Remote Code Execution (RCE) vulnerability discovered in the vm2 Node.js sandbox library. This flaw allows attackers to execute arbitrary code within the context of the Node.js process, effectively bypassing the intended isolation of the sandbox. The vulnerability affects versions 0.0.0 up to and including 3.11.1, with a fix available in version 3.11.2.
Impacto e Cenários de Ataquetraduzindo…
The impact of this RCE vulnerability is severe. A successful exploit allows an attacker to gain complete control over the Node.js process and potentially the underlying system. This could involve stealing sensitive data, installing malware, or using the compromised system as a launchpad for further attacks. The sandbox environment is intended to isolate untrusted code; this vulnerability completely undermines that protection, granting attackers unrestricted access. Given the widespread use of Node.js in various applications, the potential blast radius is significant.
Contexto de Exploraçãotraduzindo…
CVE-2026-44009 has been published on 2026-05-13. The vulnerability's criticality (CVSS 9.8) indicates a high probability of exploitation. Public proof-of-concept (POC) code is likely to emerge, increasing the risk of widespread exploitation. Monitor security advisories and threat intelligence feeds for any indications of active exploitation campaigns targeting this vulnerability.
Inteligência de Ameaças
Status do Exploit
CISA SSVC
Vetor CVSS
O que significam essas métricas?
- Attack Vector
- Rede — explorável remotamente pela internet. Sem acesso físico ou local necessário.
- Attack Complexity
- Baixa — sem condições especiais. O atacante pode explorar de forma confiável.
- Privileges Required
- Nenhum — sem autenticação necessária para explorar.
- User Interaction
- Nenhuma — ataque automático e silencioso. A vítima não faz nada.
- Scope
- Inalterado — impacto limitado ao componente vulnerável.
- Confidentiality
- Alto — perda total de confidencialidade. O atacante pode ler todos os dados.
- Integrity
- Alto — o atacante pode escrever, modificar ou excluir qualquer dado.
- Availability
- Alto — falha completa ou esgotamento de recursos. Negação de serviço total.
Software Afetado
Classificação de Fraqueza (CWE)
Linha do tempo
- Reservado
- Publicada
Mitigação e Soluções Alternativastraduzindo…
The primary mitigation for CVE-2026-44009 is to immediately upgrade to vm2 version 3.11.2 or later. If upgrading is not immediately feasible due to compatibility issues or breaking changes, consider implementing stricter input validation and sanitization within your Node.js application to limit the potential impact of malicious code. While a WAF or proxy cannot directly prevent this vulnerability, they can help detect and block suspicious requests attempting to exploit it. After upgrading, verify the fix by attempting to execute a known malicious payload within the vm2 sandbox; it should be properly contained and not result in code execution.
Como corrigirtraduzindo…
Actualice a la versión 3.11.2 o superior para mitigar la vulnerabilidad de escape de sandbox. Esta actualización corrige un problema que permitía a código malicioso escapar del entorno de sandbox proporcionado por vm2.
Perguntas frequentestraduzindo…
What is CVE-2026-44009 — Critical RCE in vm2 Node.js Sandbox?
CVE-2026-44009 is a critical Remote Code Execution (RCE) vulnerability affecting the vm2 Node.js sandbox library. It allows attackers to execute arbitrary code within the Node.js process, potentially leading to full system compromise.
Am I affected by CVE-2026-44009 in vm2 Node.js Sandbox?
You are affected if you are using vm2 versions 0.0.0 through 3.11.1. Check your project dependencies to determine if you are using a vulnerable version.
How do I fix CVE-2026-44009 in vm2 Node.js Sandbox?
Upgrade to vm2 version 3.11.2 or later to remediate the vulnerability. If immediate upgrade is not possible, implement stricter input validation and sanitization.
Is CVE-2026-44009 being actively exploited?
While no active exploitation has been publicly confirmed, the vulnerability's criticality and potential impact suggest a high likelihood of exploitation. Monitor security advisories and threat intelligence feeds.
Where can I find the official vm2 advisory for CVE-2026-44009?
Refer to the official vm2 GitHub repository and associated security advisories for the latest information and updates regarding CVE-2026-44009: [https://github.com/vm2-io/vm2](https://github.com/vm2-io/vm2)
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