GHSA-538q-xxpg-6h4r

Source

https://github.com/advisories/GHSA-538q-xxpg-6h4r

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/09/GHSA-538q-xxpg-6h4r/GHSA-538q-xxpg-6h4r.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-538q-xxpg-6h4r

Withdrawn

2026-10-05T22:34:14Z

Published

2026-09-17T15:32:16Z

Modified

2026-10-05T22:45:05Z

Severity

10.0 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
10.0 (Critical) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator

Summary

Duplicate Advisory: vm2 sandbox escape via WebAssembly.compileStreaming Promise species bypass

Details

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-wjwh-qqvp-g4p4. This link is maintained to preserve external references.

Original Description

vm2 versions 3.10.1 through 3.11.6 contain a sandbox escape reachable from a default new VM() sandbox when running on Node.js 26. WebAssembly.compileStreaming and WebAssembly.instantiateStreaming can produce a raw host-realm Promise that rejects with a host-realm error object; by controlling Symbol.species via Promise.prototype.finally, sandbox code receives that raw host error, walks from the host error constructor to the host Function constructor, and recovers the real host process object, gaining host Node.js capabilities (e.g. access to host modules such as fs) in the context of the process running the sandbox. No NodeVM, require permission, host object injection, or otherwise unsafe configuration is required. This is a bypass of the fix for GHSA-6j2x-vhqr-qr7q, which removed the JSPI entry points WebAssembly.promising and WebAssembly.Suspending. The issue is fixed in 3.11.7.

Database specific

{
    "cwe_ids":  [
        "CWE-693"
    ],
    "github_reviewed":  true,
    "github_reviewed_at":  "2026-10-05T22:34:14Z",
    "nvd_published_at":  "2026-09-17T14:18:01Z",
    "severity":  "CRITICAL"
}

References

Affected packages

npm / vm2

Package

Name: vm2; View open source insights on deps.dev
Purl: pkg:npm/vm2

Affected ranges

Type: SEMVER
Events: Introduced

3.10.1

Last Affected

3.11.6

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/09/GHSA-538q-xxpg-6h4r/GHSA-538q-xxpg-6h4r.json"