CVE-2026-56689: Dell PowerFlex Manager SQL Injection Vulnerability – Patch Guide

Technical summary

CVE-2026-56689 is an SQL injection flaw (CWE-89) in Dell PowerFlex Manager prior to version 5.1.0.1. The vulnerability exists because the application fails to properly neutralize special characters in SQL commands, allowing an authenticated remote attacker to inject malicious SQL syntax. The resulting database queries execute with the privileges of the application, permitting unauthorized data extraction. The CVSS 3.1 vector (7.7 HIGH, AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N) reflects network-accessible exploitation by a low-privileged user with high confidentiality impact and cross-boundary scope.

Business impact

Exploitation of this vulnerability could expose sensitive information stored in PowerFlex Manager, including storage configuration details, user credentials, audit logs, and operational metadata. For organizations relying on PowerFlex for enterprise storage management, data exposure could compromise compliance posture, enable lateral movement attacks, and undermine the confidentiality of infrastructure intelligence. The ability to extract data remotely without administrative credentials increases organizational risk, particularly in environments where PowerFlex Manager is internet-facing or accessible from untrusted networks.

Affected systems

Dell PowerFlex Manager versions prior to 5.1.0.1 are affected. Organizations should audit their PowerFlex deployments to identify current version numbers. This includes on-premises and hybrid cloud installations where PowerFlex Manager is used for storage orchestration and management.

Exploitability

The vulnerability is exploitable by any user with valid credentials to the PowerFlex Manager interface. No complex attack conditions are required—network access and low-level authentication are sufficient. The attack surface is defined by the accessibility of the affected application. Exploitation does not require user interaction and can be conducted remotely via standard HTTP requests. While not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, the straightforward nature of SQL injection and the prevalence of database attack tooling suggest practical exploit potential.

Remediation

Upgrade Dell PowerFlex Manager to version 5.1.0.1 or later. Verify the patch version against Dell's official security advisories and release notes before deployment. Organizations unable to patch immediately should implement network segmentation to restrict access to PowerFlex Manager from untrusted sources, enforce strong authentication policies, and monitor database query logs for anomalous SQL syntax patterns.

Patch guidance

Apply Dell PowerFlex Manager version 5.1.0.1 or later according to Dell's published update procedures. Test patches in a non-production environment first to ensure compatibility with existing storage configurations. Verify patch installation by confirming the version number in the PowerFlex Manager administrative interface. Dell's security advisory should be consulted for any specific deployment considerations or known issues related to this update.

Detection guidance

Monitor PowerFlex Manager logs for SQL error messages, unusual database query patterns, or authentication attempts from unexpected sources. Look for HTTP requests containing SQL keywords (SELECT, UNION, OR, AND) in URL parameters or request bodies. Database access logs should be reviewed for queries executed with application service account privileges that deviate from normal operational patterns. Network-based detection can flag connections to PowerFlex Manager from non-authorized networks or repetitive failed authentication followed by successful access.

Why prioritize this

This vulnerability warrants priority patching due to its HIGH severity rating, remote exploitability with low-privilege requirements, and high confidentiality impact. SQL injection flaws are well-understood attack vectors with abundant tooling. The cross-boundary scope means an attacker could potentially move laterally within the organization after data exfiltration. Organizations managing critical storage infrastructure should prioritize updating PowerFlex Manager as part of their regular patching cycle.

Risk score, explained

The CVSS 3.1 score of 7.7 (HIGH) reflects a combination of factors: network-accessible attack vector with no special conditions required (AV:N/AC:L), low-privilege authentication (PR:L), no user interaction needed (UI:N), cross-system scope impact (S:C), and high confidentiality loss (C:H). The absence of integrity and availability impact reflects the read-only nature of SQL injection in this case, limiting the score from critical severity. However, the combination of ease of exploitation and significant data exposure risk justifies the HIGH classification and timely remediation.

Frequently asked questions