Vulnerability Description
vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.6, lib/bridge.js and lib/setup-sandbox.js fail to block stacked indirection through Function.prototype.call around dangerous host prototype getter and setter mutators, allowing sandbox code to sever a host intrinsic's prototype chain and reach e.constructor.constructor for arbitrary host command execution. This issue is fixed in version 3.11.6.
CVSS Score
CRITICAL
Related Weaknesses (CWE)
References
- https://github.com/patriksimek/vm2/commit/a85acb61f81402c6eabf32760aa11272af6d0f
- https://github.com/patriksimek/vm2/releases/tag/3.11.6
- https://github.com/patriksimek/vm2/security/advisories/GHSA-cfcw-xp6x-25gj
- https://github.com/patriksimek/vm2/security/advisories/GHSA-cfcw-xp6x-25gj
FAQ
What is CVE-2026-47698?
CVE-2026-47698 is a vulnerability with a CVSS score of 9.8 (CRITICAL). vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.6, lib/bridge.js and lib/setup-sandbox.js fail to block stacked indirection through Function.prototype.call around dangerous host prototype ...
How severe is CVE-2026-47698?
CVE-2026-47698 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-47698?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.