GHSA-7rr2-8fr3-fjqx: Duplicate Advisory Vm2: Host Promise Rejection From Vulnerability

HIGH
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CVSS 6.8
CWE-248
Published
Advisory Summary

GHSA-7rr2-8fr3-fjqx is a HIGH (CVSS 6.8) vm2: host promise rejection from vulnerability (CWE-248: Uncaught Exception) affecting Duplicate Advisory libraries in the npm ecosystem. The issue involves vm2: host promise rejection from an exposed constructor can terminate the vm2 host process. Remediation is available by upgrading affected packages to version 3.12.2.

GHSA-7rr2-8fr3-fjqx at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-7rr2-8fr3-fjqx
Severity HIGH
CVSS v3.1 Base Score 6.8
CWE Classification CWE-248: Uncaught Exception
Affected Product Duplicate Advisory
Package Ecosystem npm
Published Date
Last Updated

Security Impact

CVSS: 6.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H).

Attack Vector Network (AV:N)
Attack Complexity High (AC:H)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Changed (S:C)
Confidentiality None (C:N)
Integrity None (I:N)
Availability High (A:H)

How to Fix GHSA-7rr2-8fr3-fjqx

To remediate this vulnerability, upgrade all affected Duplicate Advisory dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

vm2 fixed: 3.12.2 
npm install vm2@3.12.2
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

npm ls vm2

How to Check if You Are Affected

To determine whether your Node.js application is affected by GHSA-7rr2-8fr3-fjqx, inspect your project dependencies using npm:

npm ls vm2

Analyze the terminal output to locate any version of Duplicate Advisory in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 3.12.2), your application is affected.

Note: The npm ls vm2 command inspects dependencies declared in your package.json and lockfile; it does not perform automated runtime dynamic scanning.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-248: Uncaught Exception, where an exception is thrown from a function, but it is not caught. In Duplicate Advisory, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

## Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-2v2p-6j97-cjg9. This link is maintained to preserve external references. ## Original Description vm2 before 3.12.2 does not apply host-side Promise rejection handling in the sandbox-to-host construct trap. In BaseHandler, the apply trap calls markHostPromiseHandled() on the returned value, but the adjacent construct path returns the result of Reflect.construct without the same sanitization. If an embedder exposes a constructable host function whose constructor returns a native rejected Promise, an untrusted script executed via VM.run can invoke it with `new` and ignore the result; the rejected host Promise crosses the bridge unhandled and, under Node's strict unhandled-rejection policy, is promoted to an uncaught exception that terminates the host process.

GHSA-7rr2-8fr3-fjqx Affected Duplicate Advisory Versions

1 component(s)
Fixed Versions:
3.12.2
Product / Package Ecosystem Affected Versions Fixed Version
vm2
npm/vm2
npm
< 3.12.2
3.12.2

References

GitHub Advisory / Wiki ADVISORY
https://github.com/patriksimek/vm2/security/advisories/GHSA-2v2p-6j97-cjg9
NVD — GHSA-7rr2-8fr3-fjqx NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-100722
www.vulncheck.com/advisories/vm2-befo... WEB
https://www.vulncheck.com/advisories/vm2-before-3.12.2-host-process-termination-via-construct-trap

Frequently Asked Questions

What is GHSA-7rr2-8fr3-fjqx?
GHSA-7rr2-8fr3-fjqx is a security vulnerability in Duplicate Advisory involving vm2: Host Promise rejection from an exposed constructor can terminate the vm2 host process under CWE-248: Uncaught Exception.
Which Duplicate Advisory versions are affected?
Affected versions include releases prior to 3.12.2 across affected packages: vm2.
What version fixes GHSA-7rr2-8fr3-fjqx?
Upgrading to 3.12.2 (or the latest patched release for your respective branch) resolves the vulnerability.
Is vm2 affected?
Yes, vm2 is affected in releases prior to 3.12.2. Upgrade your dependency to 3.12.2 or later.
What is the CVSS score of GHSA-7rr2-8fr3-fjqx?
GHSA-7rr2-8fr3-fjqx has a CVSS v3.1 base score of 6.8 (HIGH) with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H.
What CWE is associated with GHSA-7rr2-8fr3-fjqx?
GHSA-7rr2-8fr3-fjqx is classified under CWE-248: Uncaught Exception (An exception is thrown from a function, but it is not caught.).
How can I check npm dependencies for GHSA-7rr2-8fr3-fjqx?
Run the dependency tree command: 'npm ls vm2'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-7rr2-8fr3-fjqx",
  "modified" : "2026-10-05T23:19:29Z",
  "published" : "2026-09-27T03:31:03Z",
  "withdrawn" : "2026-10-05T23:19:29Z",
  "aliases" : [ ],
  "summary" : "Duplicate Advisory: vm2: Host Promise rejection from an exposed constructor can terminate the vm2 host process",
  "details" : "## Duplicate Advisory\n\nThis advisory has been withdrawn because it is a duplicate of GHSA-2v2p-6j97-cjg9. This link is maintained to preserve external references.\n\n## Original Description\nvm2 before 3.12.2 does not apply host-side Promise rejection handling in the sandbox-to-host construct trap. In BaseHandler, the apply trap calls markHostPromiseHandled() on the returned value, but the adjacent construct path returns the result of Reflect.construct without the same sanitization. If an embedder exposes a constructable host function whose constructor returns a native rejected Promise, an untrusted script executed via VM.run can invoke it with `new` and ignore the result; the rejected host Promise crosses the bridge unhandled and, under Node's strict unhandled-rejection policy, is promoted to an uncaught exception that terminates the host process.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/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"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "vm2"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "3.12.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/patriksimek/vm2/security/advisories/GHSA-2v2p-6j97-cjg9"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-100722"
  }, {
    "type" : "WEB",
    "url" : "https://www.vulncheck.com/advisories/vm2-before-3.12.2-host-process-termination-via-construct-trap"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-248" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-10-05T23:19:29Z",
    "nvd_published_at" : "2026-09-27T02:17:18Z"
  }
}