# CVE-2026-56688: Dell PowerFlex Manager OS command injection in OS Repository processing

Source: https://junglewise.ai/threats/cve-2026-56688-dell-powerflex-manager-os-command-injection-in-os-repository  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-10. Updated: 2026-07-10  
License: CC BY 4.0 with a link back

CVE-2026-56688 · Severity: critical · CVSS 9.1 · Published 2026-07-10

Dell PowerFlex Manager is a tool used to manage and automate software-defined storage infrastructure. A security vulnerability in this tool allows a high-privileged user to execute unauthorized commands with the highest level of system permissions (root). If exploited, this could lead to a complete takeover of the management appliance and allow the attacker to move laterally into the connected storage infrastructure.

Technologies: [Dell PowerFlex Manager](https://junglewise.ai/threats/technologies/powerflex-manager). Vendors: [Dell](https://junglewise.ai/threats/vendors/dell).

## Quick answers

**Is CVE-2026-56688 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-56688 being exploited in the wild.

**How severe is CVE-2026-56688?** Critical severity, with a CVSS score of 9.1, published 10 July 2026.

**Which products and versions are affected?** Dell PowerFlex Manager Prior to 5.1.0.1, prior to 4.5.5.2.

**Is there a fix for CVE-2026-56688?** 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-2026-56688 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-56688?** Check whether you run Dell PowerFlex Manager 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

An OS command injection vulnerability (CWE-78) exists in Dell PowerFlex Manager due to improper neutralization of special elements during OS Repository processing. A remote attacker with high privileges can exploit this flaw to execute arbitrary commands as root on the underlying operating system. The vulnerability is characterized by a CVSS 3.1 score of 9.1, reflecting its high impact and the potential for scope change (S:C), which could lead to lateral movement within the managed infrastructure. Dell has released patches in versions 5.1.0.1 and 4.5.5.2 to address this issue.

## Affected products

- Dell PowerFlex Manager Prior to 5.1.0.1, prior to 4.5.5.2

## Timeline

- 2026-07-10: advisory: Dell published the security update DSA-2026-066.
- 2026-07-10: disclosed

## References

- [https://www.dell.com/support/kbdoc/en-us/000477538/dsa-2026-066-security-update-for-powerflex-software-multiple-vulnerabilities](https://www.dell.com/support/kbdoc/en-us/000477538/dsa-2026-066-security-update-for-powerflex-software-multiple-vulnerabilities)

## Related threats

- [Dell PowerFlex Manager SQL injection](https://junglewise.ai/threats/cve-2026-56690-dell-powerflex-manager-sql-injection)
- [Dell PowerFlex Manager SQL injection](https://junglewise.ai/threats/cve-2026-56689-dell-powerflex-manager-sql-injection)
- [Dell PowerFlex Manager SQL injection](https://junglewise.ai/threats/cve-2026-35069-dell-powerflex-manager-sql-injection)
- [Dell PowerFlex Manager SQL injection in management interface](https://junglewise.ai/threats/cve-2026-35068-dell-powerflex-manager-sql-injection-in-management-interface)
- [Dell PowerFlex Manager improper authentication](https://junglewise.ai/threats/cve-2026-49502-dell-powerflex-manager-improper-authentication)