Is this vulnerability remotely exploitable?

It can be, if an attacker can supply or influence the code that is executed inside vm2. Any web endpoint, plugin framework, or automation feature that runs user-controlled JavaScript in vm2 may become a remote attack surface.

What level of access does an attacker need?

The attacker must have the ability to make their code or payload run inside the vm2 sandbox. This could be through uploading scripts, defining rules, customizing templates, or any other mechanism that results in execution within vm2.

What is the safest general fix pattern?

Architecturally, the safest pattern is to isolate untrusted code execution into a strongly sandboxed process or container with minimal privileges and a narrow IPC interface, rather than relying solely on in-process libraries. Within the application code, ensure no powerful host capabilities, special error objects, or global references are exposed inside the sandbox boundary.

Severity:

CRITICAL RISK

(9.8)

Sandbox Escape via SuppressedError Handling (CWE-94) in vm2 for Node.js

CVE-2026-26332

Published:

May 4, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

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Vulnerability Type

Category:

Sandbox Escape / Code Injection

CWE:

CWE-94;CWE-693

Impact:

Remote Code Execution via Sandbox Escape

Severity:

CRITICAL RISK

(9.8)

CVSS Version:

3.1

Vulnerability Type

Category:

Sandbox Escape / Code Injection

CWE:

CWE-94;CWE-693

Impact:

Remote Code Execution via Sandbox Escape

Severity:

CRITICAL RISK

(9.8)

CVSS Version:

3.1

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Sandbox Escape via SuppressedError Handling (CWE-94) in vm2 for Node.js

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(8.6)

Server-Side Request Forgery (CWE-918) in OpenClaw Zalo Plugin sendPhoto

HIGH RISK

HIGH

(8.8)

Authorization Bypass (CWE-863) in OpenClaw Matrix Room Control Commands

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

Ship clean & secure code faster

Ship clean & secure code faster

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