Skip to content
Noroxi
CVE-2026-47208· NVD / CVE Program· CNA GitHub_M

vm2: Sandbox Breakout Using Promise Species

vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, VM2 suffers from a sandbox breakout vulnerability. This allows attackers to write code which can escape from the VM2 sandbox and execute arbitrary commands on the host system. This issue has been patched in version 3.11.4.

CriticalCVSS 10.0 · v3.1—No exploit Fix available
Published
Jun 12, 2026
Updated
Jun 17, 2026
EPSS
0.8% · 56th percentile
Follow this CVE

Sign in to follow · You’ll be notified if a followed record enters KEV, gets an exploit or is updated.

Report tools

JSON

Action score

40

Plan

Add it to your regular patch cycle.

CVSS
40 / 40 · 10.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.8%

CISA SSVC decision

Exploitation
proof of concept
Automatable
yes
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · GitHub_M
10.0
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Affected systems

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (GitHub_M). Independent of NVD's CPE analysis and usually ahead of it.

  • patriksimek vm2

    • < 3.11.4affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
npmvm2before 3.11.43.11.4

Same product

patriksimek: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-93606vm2 before 3.12.1 Sandbox Escape via Promise Symbol.species
    40Plan
  • CVE-2026-93605vm2 NodeVM before 3.12.1 Remote Code Execution via child_process
    40Plan
  • CVE-2026-93603vm2 before 3.12.1 Sandbox Escape RCE via Non-Strict Host Function
    40Plan
  • CVE-2026-92960vm2 before 3.11.6 Process-wide State Exposure via os and dns
    40Plan
  • CVE-2026-92956vm2 3.10.1 through 3.11.6 Sandbox Escape via WebAssembly.compileStreaming
    40Plan
  • CVE-2026-92955vm2 before 3.11.8 Sandbox Escape via NodeVM
    40Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
patriksimek vm23.11.4 · descriptionVendor (CNA)
npm:vm23.11.4Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-471310 days apartvm2 is an open source vm/sandbox for Node.js.
    40Plan
  • CVE-2026-471370 days apartvm2: GHSA-8hg8-63c5-gwmx patch bypass: nesting:true without explicit require still allows full RCE
    40Plan
  • CVE-2026-9294697 days apartvm2 before 3.11.7 Remote Code Execution via require.external
    40Plan
  • CVE-2026-9295597 days apartvm2 before 3.11.8 Sandbox Escape via NodeVM
    40Plan
  • CVE-2026-472100 days apartvm2 sandbox escape via JSPI-backed Promise `.finally()` species bypass
    39Monitor
  • CVE-2026-4769866 days apartvm2: Sandbox Breakout Using Dangerous Host Proto Mutators
    39Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Changed
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-913 · Improper Control of Dynamically-Managed Code Resources

CVSS vector

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

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records