CVE-2026-44009: Critical RCE in vm2 Node.js Sandbox
Plattform
nodejs
Komponente
vm2
Behoben in
3.11.2
CVE-2026-44009 represents a critical Remote Code Execution (RCE) vulnerability affecting the vm2 Node.js sandbox. This flaw allows attackers to execute arbitrary code within the sandboxed environment, bypassing intended security measures. The vulnerability impacts versions 0.0.0 up to and including 3.11.1, and a patch is available in version 3.11.2.
Auswirkungen und Angriffsszenarien
The impact of this RCE vulnerability is severe. An attacker exploiting CVE-2026-44009 can gain complete control over the Node.js process and potentially the underlying system. This is because the vm2 sandbox is designed to isolate code, but this vulnerability allows attackers to escape that isolation. Successful exploitation could lead to data theft, system modification, installation of malware, and lateral movement within the network. The blast radius extends to any application or service relying on vm2 for sandboxing, making it a high-priority concern for developers and system administrators.
Ausnutzungskontext
CVE-2026-44009 has been published relatively recently (2026-05-13). Its CVSS score of 9.8 indicates a critical severity. Public proof-of-concept (POC) code is likely to emerge, increasing the risk of exploitation. The EPSS score is expected to be high, reflecting the ease of exploitation and potential impact. Monitor security advisories and threat intelligence feeds for any indications of active exploitation campaigns targeting this vulnerability.
Bedrohungsanalyse
Exploit-Status
CISA SSVC
CVSS-Vektor
Was bedeuten diese Metriken?
- Attack Vector
- Netzwerk — aus der Ferne über das Internet ausnutzbar. Kein physischer oder lokaler Zugriff erforderlich.
- Attack Complexity
- Niedrig — keine besonderen Bedingungen erforderlich. Zuverlässig ausnutzbar.
- Privileges Required
- Keine — ohne Authentifizierung ausnutzbar. Keine Zugangsdaten erforderlich.
- User Interaction
- Keine — automatischer und lautloser Angriff. Das Opfer tut nichts.
- Scope
- Unverändert — Auswirkung auf das anfällige Komponente beschränkt.
- Confidentiality
- Hoch — vollständiger Vertraulichkeitsverlust. Angreifer kann alle Daten lesen.
- Integrity
- Hoch — Angreifer kann beliebige Daten schreiben, ändern oder löschen.
- Availability
- Hoch — vollständiger Absturz oder Ressourcenerschöpfung. Totaler Denial of Service.
Betroffene Software
Schwachstellen-Klassifikation (CWE)
Zeitleiste
- Reserviert
- Veröffentlicht
Mitigation und Workarounds
The primary mitigation for CVE-2026-44009 is to immediately upgrade to version 3.11.2 of vm2. If upgrading is not immediately feasible due to compatibility issues or breaking changes, consider implementing temporary workarounds. While no perfect workaround exists, restricting the capabilities of the sandboxed environment (e.g., limiting file system access, disabling network connections) can reduce the potential impact. Monitor Node.js application logs for any suspicious activity related to vm2. After upgrading, confirm the fix by attempting to execute a known exploit payload within the sandbox; it should be blocked.
So behebenwird übersetzt…
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.
Häufig gestellte Fragen
What is CVE-2026-44009 — Critical RCE in vm2 Node.js Sandbox?
CVE-2026-44009 is a critical Remote Code Execution (RCE) vulnerability in the vm2 Node.js sandbox, allowing attackers to execute arbitrary code within the sandboxed environment. It affects versions 0.0.0 through 3.11.1.
Am I affected by CVE-2026-44009 in vm2 Node.js Sandbox?
If you are using vm2 versions 0.0.0 through 3.11.1 in your Node.js applications, you are potentially affected by this vulnerability. Check your project dependencies immediately.
How do I fix CVE-2026-44009 in vm2 Node.js Sandbox?
Upgrade to version 3.11.2 of vm2 to resolve this vulnerability. If immediate upgrade is not possible, implement temporary workarounds like restricting sandbox capabilities.
Is CVE-2026-44009 being actively exploited?
While no active exploitation has been publicly confirmed yet, the critical severity and potential for easy exploitation suggest that it is likely to be targeted soon. Monitor security advisories.
Where can I find the official vm2 advisory for CVE-2026-44009?
Refer to the official vm2 GitHub repository and related 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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