AIKIDO-2026-111499
vm2 is vulnerable to Denial of Service
86
High Risk
This Affects:
vm2TL;DR
When host code returns a promise across the sandbox bridge and the sandbox does not attach a rejection handler, the rejection is left unhandled on the host side. An unhandled promise rejection propagates to the host process and terminates it, and the earlier unhandled-rejection hardening does not cover this path. Sandboxed code triggers this to crash the embedding host process. The fix marks host promises as handled at the apply boundary so a rejection can no longer terminate the host.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and your host code exposes functions that return promises to the sandbox.
Background info
vm2 is vulnerable to Denial of Service in versions 3.10.0 - 3.11.7.
How to fix this
Upgrade the vm2 library to the patch version.
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