patriksimek vm2 up to 3.11.5 Sandbox Setup lib/setup-sandbox.js handleException

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.9$0-$5k0.00+

Summaryinfo

A vulnerability was found in patriksimek vm2 up to 3.11.5 and classified as critical. This impacts the function handleException of the file lib/setup-sandbox.js of the component Sandbox Setup. Executing a manipulation can lead to sandbox. The identification of this vulnerability is CVE-2026-47686. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in patriksimek vm2 up to 3.11.5. It has been declared as critical. This vulnerability affects the function handleException of the file lib/setup-sandbox.js of the component Sandbox Setup. The manipulation with an unknown input leads to a sandbox vulnerability. The CWE definition for the vulnerability is CWE-265. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.6, handleException() in lib/setup-sandbox.js sanitizes SuppressedError.error, SuppressedError.suppressed, and AggregateError.errors but does not sanitize Error.cause, allowing sandbox code to obtain a powerful host object such as process from an embedder-exposed host function that throws an error with that object as its cause and then execute arbitrary host commands. This issue is fixed in version 3.11.6.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-47686 since 05/19/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1611.

Upgrading to version 3.11.6 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.9
CNA Vector (GitHub_M): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Sandbox
CWE: CWE-265 / CWE-264
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: vm2 3.11.6

Timelineinfo

05/19/2026 CVE reserved
08/17/2026 +90 days Advisory disclosed
08/17/2026 +0 days VulDB entry created
08/17/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-47686 (🔒)
GCVE (CVE): GCVE-0-2026-47686
GCVE (VulDB): GCVE-100-391444

Entryinfo

Created: 08/17/2026 23:16
Changes: 08/17/2026 23:16 (66)
Complete: 🔍
Cache ID: 216::103

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