# CVE-2026-81239: Dell Wyse Management Suite unrestricted file upload

Source: https://junglewise.ai/threats/cve-2026-81239-dell-wyse-management-suite-unrestricted-file-upload  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-15. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-81239 · Severity: high · CVSS 8.6 · Published 2026-09-15

Dell Wyse Management Suite is a remote management platform used to administer Dell thin client devices across enterprise networks. An unauthenticated attacker can upload malicious files to vulnerable versions, leading to complete remote code execution on the management server. This exposes all managed endpoints and stored credentials to compromise.

Technologies: [Dell Wyse Management Suite](https://junglewise.ai/threats/technologies/wyse-management-suite). Vendors: [Dell](https://junglewise.ai/threats/vendors/dell).

## Quick answers

**Is CVE-2026-81239 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-81239 being exploited in the wild.

**How severe is CVE-2026-81239?** High severity, with a CVSS score of 8.6, published 15 September 2026.

**Which products and versions are affected?** Dell Wyse Management Suite prior to 2605.0.3.683.

**Is there a fix for CVE-2026-81239?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-81239 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-81239?** Check whether you run Dell Wyse Management Suite at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is an unrestricted file upload with dangerous type validation (CWE-434), affecting Dell Wyse Management Suite versions prior to 2605.0.3.683. An unauthenticated attacker with network access can upload executable files without proper validation, bypassing file type checks. No authentication is required, and the attack can be executed remotely over the network without user interaction. Successful exploitation leads to arbitrary remote code execution on the management server. A patch is available in version 2605.0.3.683 and later.

## Affected products

- Dell Wyse Management Suite prior to 2605.0.3.683

## Timeline

- 2026-09-15: disclosed
- 2026-09-15: advisory

## References

- [https://www.dell.com/support/kbdoc/en-us/000502744/dsa-2026-387-security-update-for-dell-wyse-management-suite-wms-for-multiple-vulnerabilities](https://www.dell.com/support/kbdoc/en-us/000502744/dsa-2026-387-security-update-for-dell-wyse-management-suite-wms-for-multiple-vulnerabilities)

## Related threats

- [Dell Wyse Management Suite cross-site scripting](https://junglewise.ai/threats/cve-2026-82161-dell-wyse-management-suite-versions-prior-to-2609-0-0-155-contain)
- [Dell Wyse Management Suite cross-site scripting](https://junglewise.ai/threats/cve-2026-82159-dell-wyse-management-suite-versions-prior-to-2609-0-0-155-contain)
- [Dell Wyse Management Suite cross-site scripting](https://junglewise.ai/threats/cve-2026-82158-dell-wyse-management-suite-versions-prior-to-2609-0-0-155-contain)
- [Dell Wyse Management Suite unrestricted file upload with dangerous type](https://junglewise.ai/threats/cve-2026-81240-dell-wyse-management-suite-unrestricted-file-upload-with)
- [Dell Wyse Management Suite missing authentication in critical function](https://junglewise.ai/threats/cve-2026-81238-dell-wyse-management-suite-missing-authentication-in-critical)