External risk intelligence

Dell VSI OS Command Injection Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2026-67261

This product is an integration plugin for VMware vSphere used for storage management. Such components are typically deployed within internal data center management networks and are not intended for direct exposure to the public internet, despite being network-reachable within the private environment.

OS Command Injection

Dell Virtual Storage Integrator

before 10.11.1.0

Halo Surface Signal: 2 out of 5 — less likely to be public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

Dell Virtual Storage Integrator for VMware vSphere Client has a critical vulnerability in its IAPI component that could allow an unauthenticated attacker to execute arbitrary commands with root privileges, potentially leading to a complete system takeover.

Unauthenticated attackers can run commands as root.
Critical vulnerability impacts storage management systems.
Confirm relevance and exposure of this storage tool.

Attack Path

How an attacker could exploit the issue

An attacker could target Dell Virtual Storage Integrator by sending specially crafted network requests to the IAPI component. This could allow them to execute arbitrary commands on the underlying operating system with full root privileges, potentially leading to a complete system takeover.

No authentication required for attack.
Attacker triggers vulnerability via network request.
Risk of complete system takeover.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability could allow an unauthenticated remote attacker to execute arbitrary OS commands with root privileges on the application's operating system. This could lead to a complete takeover of the Dell Virtual Storage Integrator deployment and its underlying infrastructure.

System commands and root privileges at risk.
Unauthenticated remote attacker execution.
Complete system takeover possible.

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability in Dell Virtual Storage Integrator impacts systems with direct network exposure and requires immediate attention from infrastructure and security teams to identify affected instances and assess business criticality. The first practical move is to locate all VSI deployments, determine their network reachability, and identify the accountable owner to plan for remediation or risk mitigation.

Infrastructure and security teams own this.
Verify VSI deployment reachability and criticality.
Plan for vendor-coordinated remediation.

Supplementary metadata

CVSS vector

Validate whether this threat affects your internet-facing exposure.

Halo Threat Intelligence helps prioritize remediation with Halo Surface Signal and H/A/L/O context. Start exposure validation with a free external attack surface trial.

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Frequently asked questions

What is Dell Virtual Storage Integrator for VMware vSphere Client?

Dell Virtual Storage Integrator (VSI) is a plugin for VMware vSphere that allows administrators to manage Dell storage arrays directly within their virtualization environment. It bridges the gap between storage infrastructure and compute, simplifying tasks like provisioning and mapping storage volumes for virtual machines.

What does OS Command Injection mean for CVE-2026-67261?

This vulnerability, classified as CWE-78, occurs when an application improperly filters input before passing it to the system shell. In this case, the IAPI component fails to sanitize requests, allowing an attacker to insert and execute their own operating system commands, effectively tricking the system into running unauthorized instructions with root-level power.

How is this vulnerability triggered in the IAPI component?

An attacker triggers this by sending specifically crafted network requests to the vulnerable IAPI component. Because the system does not require authentication, the attacker does not need legitimate user credentials to initiate the command injection. Simply interacting with the component via the network is sufficient to attempt exploitation; normal, non-malicious storage management traffic will not trigger this.

Do I need to worry if my Dell VSI instance is not internet-facing?

According to Halo Surface Signal, this component is typically deployed within internal management networks, not on the public internet. While it is not intended for external exposure, if your network allows reachability to the VSI instance from unauthorized segments or untrusted zones, the risk remains relevant regardless of its internet-facing status.

What should I do first to address this Dell VSI vulnerability?

Begin by auditing your environment to locate every instance of the Dell Virtual Storage Integrator plugin. Once identified, verify which instances are reachable over your network and determine who is responsible for managing them. Prioritize these systems for the update to version 10.11.1.0 or later as recommended by the vendor to eliminate the vulnerability.

References

www.dell.com/support/kbdoc/en-us/000496035/dsa-2026-335-security-u…

Written by Nicholas Merritt

Nicholas Merritt is VP of Security Solutions at Halo Security. With more than 25 years across application security, vulnerability prioritization, and offensive security, he helps teams translate threat data into practical exposure validation and remediation focus. He authors Halo Threat Intelligence CVE advisories using Halo Surface Signal and H/A/L/O context to prioritize internet-facing risk.