CVE-2026-44009: vm2 has Sandbox Breakout Through Null Proto Exception

May 8, 2026

VM2 suffers from a sandbox breakout vulnerability. This allows attackers to write code which can escape from the VM2 sandbox and execute arbitrary commands on the host system.

References

github.com/advisories/GHSA-9vg3-4rfj-wgcm
github.com/patriksimek/vm2
github.com/patriksimek/vm2/releases/tag/v3.11.2
github.com/patriksimek/vm2/security/advisories/GHSA-9vg3-4rfj-wgcm
nvd.nist.gov/vuln/detail/CVE-2026-44009

Code Behaviors & Features

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