PatchSiren cyber security CVE debrief

CVE-2026-24120 patriksimek CVE debrief

CVE-2026-24120 is a critical vulnerability in vm2, a Node.js sandbox, allowing attackers to escape the sandbox and execute arbitrary commands on the host system. The issue arises from an insufficient fix for CVE-2023-37466 in vm2 versions prior to 3.10.5. This vulnerability has a CVSS score of 9.8 and is considered critical. The vulnerability was published on May 4, 2026, and last modified on June 30, 2026. The fix for this issue is included in vm2 version 3.10.5.

Vendor: patriksimek
Product: vm2
CVSS: CRITICAL 9.8
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-05-04
Original CVE updated: 2026-07-15
Advisory published: 2026-05-04
Advisory updated: 2026-07-15

Who should care

Developers and administrators using vm2 in their Node.js applications should be aware of this vulnerability and take immediate action to upgrade to version 3.10.5 or later. Additionally, security teams and vulnerability managers should prioritize this critical vulnerability and ensure that affected systems are patched. Users of Red Hat systems may also need to apply patches or mitigations.

Technical summary

The vm2 sandbox for Node.js has a critical vulnerability, CVE-2026-24120, that allows attackers to escape the sandbox and execute arbitrary commands on the host system. This issue is a result of an insufficient fix for CVE-2023-37466. The vulnerability has a CVSS score of 9.8 and is considered critical. It affects vm2 versions prior to 3.10.5. The Common Weakness Enumeration (CWE) for this vulnerability includes CWE-94 and CWE-693 for code injection and security features issues.

Defensive priority

This vulnerability should be prioritized as critical due to its high CVSS score and potential impact. Immediate action is required to upgrade to vm2 version 3.10.5 or later to prevent exploitation.

Recommended defensive actions

Upgrade to vm2 version 3.10.5 or later
Review and apply patches or mitigations for Red Hat systems
Monitor systems for potential exploitation attempts
Ensure that Node.js applications using vm2 are properly configured and secured
Perform a thorough inventory of affected systems and prioritize patching

Evidence notes

The CVE-2026-24120 vulnerability is documented in the official CVE record and NVD detail pages. Additional information can be found in the vendor's release notes and security advisories. The vulnerability has been actively monitored and updated in the NVD database.

Sources and references

Verified primary and authoritative sources

CVE-2026-24120 CVE Program record
Publisher, destination, and source semantics verified

URL: https://www.cve.org/CVERecord?id=CVE-2026-24120

CVE Program - Official CVE Program record with source-provided CVE metadata.
CVE-2026-24120 NVD vulnerability detail
Publisher, destination, and source semantics verified

URL: https://nvd.nist.gov/vuln/detail/CVE-2026-24120

NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Mitigation or vendor reference
Unverified legacy reference

URL: https://github.com/patriksimek/vm2/releases/tag/v3.10.5

[email protected] - Release Notes
Mitigation or vendor reference
Unverified legacy reference

URL: https://github.com/patriksimek/vm2/security/advisories/GHSA-qvjj-29qf-hp7p

[email protected] - Exploit, Vendor Advisory
Source reference
Unverified legacy reference

URL: https://access.redhat.com/security/cve/CVE-2026-24120

0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Source reference
Unverified legacy reference

URL: https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-24120.json

0b0ca135-0b70-47e7-9f44-1890c2a1c46c

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.