Critical severity10.0GHSA Advisory· Published May 13, 2026· Updated May 14, 2026
CVE-2026-43997
CVE-2026-43997
Description
vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, it is possible to obtain the host Object. There are various ways to use the host Object, to escape the sandbox, one example would be using HostObject.getOwnPropertySymbols to obtain Symbol(nodejs.util.inspect.custom). This vulnerability is fixed in 3.11.0.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
vm2npm | < 3.11.0 | 3.11.0 |
Affected products
3<= 3.10.5+ 1 more
- (no CPE)range: <= 3.10.5
- cpe:2.3:a:vm2_project:vm2:*:*:*:*:*:node.js:*:*range: <3.11.0
Patches
Vulnerability mechanics
References
4- github.com/patriksimek/vm2/security/advisories/GHSA-47x8-96vw-5wg6nvdExploitVendor AdvisoryWEB
- github.com/advisories/GHSA-47x8-96vw-5wg6ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-43997ghsaADVISORY
- github.com/patriksimek/vm2/releases/tag/v3.11.0ghsaWEB
News mentions
1- vm2 Node.js Library Vulnerabilities Enable Sandbox Escape and Arbitrary Code ExecutionThe Hacker News · May 7, 2026