CriticalGHSA-rjf2-j2r6-q8grCVE-2021-23449SNYK-JS-VM2-1585918

Prototype Pollution in vm2

Published 19 Oct 2021 · Updated 8 Jul 2026

Affected package

Affected: <3.9.4
Fixed in: 3.9.4

Update to the fixed version for your release line, for example:npm install vm2@3.9.4

Details

This affects the package vm2 before 3.9.4. Prototype Pollution attack vector can lead to sandbox escape and execution of arbitrary code on the host machine.

Is GHSA-rjf2-j2r6-q8gr in any of your client repos?

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References

Advisorynvd.nist.gov/vuln/detail/CVE-2021-23449
Linkgithub.com/patriksimek/vm2/issues/363
Linkgithub.com/patriksimek/vm2/commit/b4f6e2bd2c4a1ef52fc4483d8e35f28bc4481886
Packagegithub.com/patriksimek/vm2
Linkgithub.com/patriksimek/vm2/releases/tag/3.9.4
Linksecurity.netapp.com/advisory/ntap-20211029-0010
Linksnyk.io/vuln/SNYK-JS-VM2-1585918

Advisory data from OSV.dev (opens OSV.dev in a new tab), refreshed daily.