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

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. 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

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