Critical severity · published Jul 10, 2026
CVE-2026-56688
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
9.1
CVSS
2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PM
PowerFlex Manager · Dell
before 5.1.0.1 or later; before 4.5.5.2 or later · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-56688
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-56688
Vendor Advisory
https://www.dell.com/support/kbdoc/en-us/000477538/dsa-2026-066-security-update-for-powerflex-software-multiple-vulnerabilities
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