Read the docs
TI-2023-13627 Aliases CVE-2023-29199GHSA-xj72-wvfv-8985

vm2 Sandbox escape vulnerability

Priority MEDIUM 55CWE-913Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat.

Summary

There exists a vulnerability in source code transformer (exception sanitization logic) of vm2 for versions up to 3.9.15, allowing attackers to bypass `handleException()` and leak unsanitized host exceptions which can be used to escape the sandbox and run arbitrary code in host context. A threat actor can bypass the sandbox protections to gain remote code execution rights on the host running the sandbox. This vulnerability was patched in the release of version `3.9.16` of `vm2`.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.03852 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial vm2 (patriksimek): 3.9.16vm2 (npm): 3.9.16Red Hat: 4 advisoriesRed Hat: 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
patriksimekvm2before 3.9.163.9.16Patch availableCNA
—vm2 (npm)before 3.9.163.9.16Patch availableGHSA-xj72-wvfv-8985
  • vm2 Vendorpatriksimek Affected before 3.9.16 Fixed in 3.9.16 Patch available CNA
  • vm2 (npm) Vendor— Affected before 3.9.16 Fixed in 3.9.16 Patch available GHSA-xj72-wvfv-8985

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:vm2_project:vm2:*:*:*:*:*:node.js:*:*before 3.9.16Vulnerablepatriksimek
  • cpe:2.3:a:vm2_project:vm2:*:*:*:*:*:node.js:*:* Versions before 3.9.16 Vulnerable ·patriksimek

Remediation

  • Fix · CNA vm2 (patriksimek) Fixed in 3.9.16
  • Fix · GHSA-xj72-wvfv-8985 vm2 (npm) Fixed in 3.9.16 Advisory →

Red Hat 4 advisories

  • RHSA-2023:1896 Released 2023-04-20 · Red Hat rating Critical
    Red Hat Advanced Cluster Management 2.5 hotfix security update for console
    • Red Hat Advanced Cluster Management for Kubernetes 2.5 for RHEL 8 rhacm2/console-rhel8
  • RHSA-2023:1897 Released 2023-04-20 · Red Hat rating Critical
    Red Hat Advanced Cluster Management 2.6 hotfix security update for console
    • Red Hat Advanced Cluster Management for Kubernetes 2.6 for RHEL 8 rhacm2/console-rhel8
  • RHSA-2023:1894 Released 2023-04-20 · Red Hat rating Critical
    Multicluster Engine for Kubernetes 2.1 hotfix security update for console
    • multicluster engine for Kubernetes 2.1 for RHEL 8 multicluster-engine/console-mce-rhel8, multicluster-engine/multicluster-engine-console-mce-rhel8
Show 1 more Red Hat advisories
  • RHSA-2023:1893 Released 2023-04-20 · Red Hat rating Critical
    Multicluster Engine for Kubernetes 2.0 hotfix security update for console
    • multicluster engine for Kubernetes 2.0 for RHEL 8 multicluster-engine/console-mce-rhel8, multicluster-engine/multicluster-engine-console-mce-rhel8

Vendor assessments

Red Hat

Red Hat rating: Critical. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Advanced Cluster Management for Kubernetes 2AffectedNo fix yet

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-29199
  2. 2026-10-03 Alias added: GHSA-xj72-wvfv-8985
  3. 2026-10-16 EPSS moved to the 90th–95th percentile

References

Exploit 1

Patch 2

Advisory 2

Other 2

  • TI-2023-14382 Sandbox Escape in vm2 CVSS 3.1CRITICAL 10.0
  • TI-2023-13478 vm2 Sandbox Escape vulnerability CVSS 3.1CRITICAL 10.0
  • TI-2026-33200 vm2: Sandbox Breakout Using Async Generator CVSS 3.1CRITICAL 9.8
  • TI-2026-32052 vm2: Sandbox Breakout Through Null Proto Exception CVSS 3.1CRITICAL 9.8
  • TI-2026-32051 vm2 has sandbox breakout via `neutralizeArraySpeciesBatch` CVSS 3.1CRITICAL 9.8
  • TI-2026-32049 vm2: Sandbox Escape CVSS 3.1CRITICAL 10.0
See all 31 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences