CVE-2026-44271 Overview
CVE-2026-44271 is a SQL injection vulnerability affecting Dell Wyse Management Suite (WMS) versions prior to WMS 2605. The flaw stems from improper neutralization of special elements used in a SQL command [CWE-89]. A low-privileged attacker with remote network access can exploit this weakness to gain unauthorized access to backend data managed by the platform. Dell published advisory DSA-2026-247 to address the issue.
Critical Impact
A remote, authenticated attacker with low privileges can inject SQL statements to read sensitive data and disrupt availability of the Wyse Management Suite backend.
Affected Products
- Dell Wyse Management Suite (WMS) versions prior to WMS 2605
Discovery Timeline
- 2026-06-22 - CVE-2026-44271 published to NVD
- 2026-06-23 - Last updated in NVD database
Technical Details for CVE-2026-44271
Vulnerability Analysis
The vulnerability resides in Dell Wyse Management Suite, a centralized platform for managing Wyse thin clients. WMS exposes web-based management interfaces and APIs that interact with a backend SQL database. One or more of these interfaces accepts user-supplied input that is concatenated into SQL queries without proper sanitization or parameterization.
An attacker who holds a low-privileged account on the WMS console can submit crafted input containing SQL metacharacters. The injected fragments alter the structure of the executed query, allowing the attacker to read records they are not authorized to access or to manipulate query logic that controls availability. The advisory notes both confidentiality and availability impact, while integrity is unaffected.
Root Cause
The root cause is improper neutralization of special elements used in a SQL command [CWE-89]. Input passed to a vulnerable endpoint is incorporated into a database query as part of the statement text rather than bound as a parameter. As a result, characters such as single quotes, semicolons, and SQL keywords are interpreted by the database engine instead of being treated as literal data.
Attack Vector
Exploitation requires network access to the WMS management interface and an authenticated session with low privileges. No user interaction is required. The attacker sends crafted HTTP requests containing SQL payloads to a vulnerable parameter. The backend executes the modified query, returning unauthorized data or triggering conditions that degrade service availability. Refer to the Dell Security Advisory DSA-2026-247 for vendor-specific technical details.
Detection Methods for CVE-2026-44271
Indicators of Compromise
- HTTP requests to WMS endpoints containing SQL metacharacters such as ', --, ;, UNION SELECT, or OR 1=1 in parameter values.
- Unexpected database errors logged by the WMS application referencing syntax errors or unterminated string literals.
- Authenticated low-privileged users issuing requests that return data sets larger than their role normally retrieves.
Detection Strategies
- Inspect WMS web server and application logs for parameter values containing encoded or raw SQL syntax tokens.
- Correlate authentication events with anomalous query patterns from the same session, focusing on accounts with the lowest assigned roles.
- Deploy a web application firewall rule set targeting SQL injection signatures on traffic destined to the WMS management URL.
Monitoring Recommendations
- Forward WMS application, web server, and database audit logs to a centralized analytics platform for sustained review.
- Alert on spikes in 4xx and 5xx responses from WMS endpoints that accept search, filter, or identifier parameters.
- Track outbound database query volume per WMS user session and flag deviations from established baselines.
How to Mitigate CVE-2026-44271
Immediate Actions Required
- Upgrade Dell Wyse Management Suite to version WMS 2605 or later as directed in Dell Security Advisory DSA-2026-247.
- Restrict network access to the WMS management interface so that only trusted administrative networks can reach it.
- Review WMS user accounts and remove or disable any low-privileged accounts that are no longer required.
Patch Information
Dell has released WMS 2605, which remediates CVE-2026-44271. Customers should consult Dell Security Advisory DSA-2026-247 for the official remediation guidance and upgrade instructions.
Workarounds
- Place the WMS console behind a VPN or jump host to limit exposure until the upgrade is applied.
- Enforce strong authentication and rotate credentials for all WMS accounts to reduce the pool of usable low-privileged sessions.
- Apply web application firewall rules that block common SQL injection payloads sent to WMS endpoints.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
