CVE-2026-44009: vm2 has Sandbox Breakout Through Null Proto Exception
(updated )
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
- access.redhat.com/errata/RHSA-2026:50850
- access.redhat.com/security/cve/CVE-2026-44009
- bugzilla.redhat.com/show_bug.cgi?id=2477185
- github.com/advisories/GHSA-9vg3-4rfj-wgcm
- github.com/patriksimek/vm2/commit/c33c2bb19a822847f4e01d8d87b28dd5b2c86b3e
- 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
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44009.json
Code Behaviors & Features
Detect and mitigate CVE-2026-44009 with GitLab Dependency Scanning
Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →