Critical severity9.8NVD Advisory· Published May 4, 2026· Updated May 8, 2026
CVE-2026-26956
CVE-2026-26956
Description
vm2 is an open source vm/sandbox for Node.js. In version 3.10.4, vm2 is vulnerable to full sandbox escape with arbitrary code execution. Attacker code inside VM.run() obtains host process object and runs host commands with zero host cooperation. This issue has been patched in version 3.10.5.
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 | < 3.10.5 | 3.10.5 |
Affected products
3(expand)+ 1 more
- (no CPE)
- cpe:2.3:a:vm2_project:vm2:*:*:*:*:*:node.js:*:*range: <3.10.5
Patches
Vulnerability mechanics
References
4- github.com/patriksimek/vm2/security/advisories/GHSA-ffh4-j6h5-pg66nvdExploitVendor AdvisoryWEB
- github.com/advisories/GHSA-ffh4-j6h5-pg66ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-26956ghsaADVISORY
- github.com/patriksimek/vm2/releases/tag/v3.10.5nvdRelease NotesWEB
News mentions
2- vm2 Node.js Library Vulnerabilities Enable Sandbox Escape and Arbitrary Code ExecutionThe Hacker News · May 7, 2026
- Critical vm2 sandbox bug lets attackers execute code on hostsBleepingComputer · May 6, 2026