CVE-2026-47683
An attacker can exploit multiple vulnerabilities in vm2 to conduct a denial of service attack, execute arbitrary code, disclose information, and manipulate data.
CSIRTS triage
- What
- Multiple vulnerabilities in vm2 enable denial of service, remote code execution, information disclosure, and data manipulation.
- Who is affected
- Applications and deployments using the vm2 JavaScript sandbox library.
- Urgency
- Critical; multiple severe attack vectors including remote code execution require urgent patching.
- Action
- Update vm2 to a patched version addressing CVE-2026-47683, CVE-2026-47686, and CVE-2026-47698.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.31% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 24% of all EPSS-scored CVEs.
Advisory coverage (3)
- critical[NEW] [critical] vm2: Multiple vulnerabilitiescert-bund · 2026-08-18
- unknownCVE-2026-47683: vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.6, the bufferAllocLimit enforcemen…nvd · 2026-08-17
- highGHSA-gmc2-2x9w-cgh9: vm2's bufferAllocLimit cap bypassed by Buffer.concat and Buffer.from arrayLikeghsa · 2026-08-17
External references
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[](https://www.csirts.com/cve/CVE-2026-47683)