CVE-2026-47698

Summary

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.

Affected Software

Weaknesses

• CWE-913: CWE-913: Improper Control of Dynamically-Managed Code Resources

References

• https://github.com/patriksimek/vm2/security/advisories/GHSA-cfcw-xp6x-25gj
• https://github.com/patriksimek/vm2/commit/a85acb61f81402c6eabf32760aa11272af6d0f9e
• https://github.com/patriksimek/vm2/releases/tag/3.11.6

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