CVE-2026-47140
Description
A flaw was found in vm2, an open-source virtual machine (VM) sandbox for Node.js. This vulnerability allows sandboxed code to bypass intended security restrictions by exploiting missing entries in the denylist for dangerous Node.js built-in functions, specifically process and inspector/promises. A remote attacker can leverage this to execute arbitrary code in the host process, leading to a complete compromise of the system.
Statement
The Red Hat Product Security team has rated the impact of this vulnerability as Moderate in Red Hat Developer Hub and Ansible Automation Platform.The affected package is present in both products as a transitive dependency; however, the vulnerable sandbox functionality is not invoked in any production code path. The active sandboxing mechanism used by both products does not rely on this package, and user-supplied input cannot reach the vulnerable code under a standard deployment. Exploitation would require an attacker to independently route arbitrary JavaScript into the sandbox runtime, a condition not present in the default configuration of either product.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Common Vulnerability Scoring System (CVSS) Score Details
Info alert:Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
CVSS v3 Score Breakdown
| Red Hat | NVD | cve.org | |
|---|---|---|---|
| Base Score | 4.1 | N/A | 10 |
| Attack Vector | Network | N/A | Network |
| Attack Complexity | High | N/A | Low |
| Privileges Required | High | N/A | None |
| User Interaction | None | N/A | None |
| Scope | Unchanged | N/A | Changed |
| Confidentiality | Low | N/A | High |
| Integrity Impact | Low | N/A | High |
| Availability Impact | Low | N/A | High |
Vector
Red Hat: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
cve.org: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Understanding the Weakness (CWE)
Access Control
Technical Impact: Bypass Protection Mechanism
Attackers may be able to find other malicious inputs that were not expected by the developer, allowing them to bypass the intended protection mechanism.
Frequently Asked Questions
Not sure what something means? Check out our Security Glossary.
Want to get errata notifications? Sign up here.
