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CVE-2026-56688

Dell Powerflex Manager command injection

9.1 CRITICALEPSS 2.00%
  1. Published10 Jul 2026

Description

Dell PowerFlex Manager, Version prior to 5.1.0.1, contain(s) an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability during OS Repository processing to achieve arbitrary command execution as root, potentially leading to full appliance compromise and lateral movement into managed infrastructure.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredHigh
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected products

Dell Powerflex Manager≥ 4.5.5 < 4.5.5.2 · ≥ 5.1.0 < 5.1.0.1

Remediation

Fixed in
Dell Powerflex Manager≥ 4.5.5.2

References

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Frequently asked

Is CVE-2026-56688 being actively exploited?

CVE-2026-56688 is not in the CISA KEV catalog. Its EPSS exploit probability is 2.00%.

How severe is CVE-2026-56688?

CVE-2026-56688 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 2.00% probability of exploitation.

Which products are affected by CVE-2026-56688?

Affected products include Dell Powerflex Manager.

How do I fix CVE-2026-56688?

Upgrade affected software to a fixed version, for example Dell Powerflex Manager 4.5.5.2 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-56688 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.