patriksimek vm2 3.10.4 HOST Command VM.run protection mechanism

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in patriksimek vm2 3.10.4. The impacted element is the function VM.run of the component HOST Command Handler. Performing a manipulation results in protection mechanism. This vulnerability is known as CVE-2026-26956. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in patriksimek vm2 3.10.4. It has been classified as critical. This affects the function VM.run of the component HOST Command Handler. The manipulation with an unknown input leads to a protection mechanism vulnerability. CWE is classifying the issue as CWE-693. The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

vm2 is an open source vm/sandbox for Node.js. In version 3.10.4, vm2 is vulnerable to full sandbox escape with arbitrary code execution. Attacker code inside VM.run() obtains host process object and runs host commands with zero host cooperation. This issue has been patched in version 3.10.5.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-26956 since 02/16/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 317983 (Oracle Linux 7 : freerdp (ELSA-2026-7292)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.10.5 eliminates this vulnerability. The upgrade is hosted for download at github.com.

The vulnerability is also documented in the databases at Tenable (317983), EUVD (EUVD-2026-26995) and CERT Bund (WID-SEC-2026-1349). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Open Source vm2

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.8
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: Protection mechanism
CWE: CWE-693
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 317983
Nessus Name: Oracle Linux 7 : freerdp (ELSA-2026-7292)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: vm2 3.10.5

Timelineinfo

02/16/2026 CVE reserved
05/04/2026 +76 days Advisory disclosed
05/04/2026 +0 days VulDB entry created
06/01/2026 +28 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-ffh4-j6h5-pg66
Status: Confirmed

CVE: CVE-2026-26956 (🔒)
GCVE (CVE): GCVE-0-2026-26956
GCVE (VulDB): GCVE-100-361005
EUVD: 🔒
CERT Bund: WID-SEC-2026-1349 - vm2: Mehrere Schwachstellen

Entryinfo

Created: 05/04/2026 22:46
Updated: 06/01/2026 06:27
Changes: 05/04/2026 22:46 (66), 05/05/2026 01:23 (6), 05/05/2026 20:40 (1), 06/01/2026 06:27 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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