exploit · Thu 01 Oct 2026 · 15:37 UTC
GHSA-c48m-32m9-vx93: vm2 Custom Module Resolver Can Bypass the External Package Allowlist by Loading a Colliding Host Package
Filed UTCSource GTH ↗
vm2 is a sandbox library for isolating and executing untrusted JavaScript code inside a Node.js process. It can restrict access to built-in modules and external packages. When NodeVM enables an external allowlist together with a custom resolve callback, vm2 checks the requested package name with a non-exact match. For example, if the allowlist only permits left-pad, an attacker can still bypass the check with a colliding package name such as evil-left-pad, because it contains the allowlisted name. …
Signals
as the pipeline stamped them- High
- Critical vulnerability — CVSS 9.9
- What to do
- Critical severity — schedule an urgent patch.
CVE
KEV from CISA · EPSS from FIRST| Id | KEV | EPSS | Reference |
|---|---|---|---|
| CVE-2026-92951 | — | 0.54% | NVD ↗ |
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