CVE-2026-53479

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-07 · updated 2026-10-25
Weakness: CWE-78

Description

Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.7, LTS2026 release version 8.6.1.0 through 8.6.1.10, LTS2025 release version 8.3.1.0 through 8.3.1.30, LTS2024 release versions 7.13.1.0 through 7.13.1.70 contain an improper neutralization of special elements used in an OS command ('OS command Injection') vulnerability. A remote high privileged attacker could potentially exploit this vulnerability, leading to protection mechanism bypass. This is a Critical vulnerability as it allows an attacker to invoke arbitrary command execution with root privileges; so Dell recommends customers to upgrade at the earliest opportunity.

Affected products

Dell PowerProtect Data Domain: from 7.7.1.0 before 7.13.1.80; from 7.14.0.0 before 8.3.1.40; from 8.4.0.0 before 8.6.1.20; from 8.7.0.0 before 8.8.0.0 — fixed in 7.13.1.80, 8.3.1.40, 8.6.1.20, 8.8.0.0

How to fix

Upgrade to a fixed version: Dell PowerProtect Data Domain 7.13.1.80, 8.3.1.40, 8.6.1.20, 8.8.0.0. Check the vendor advisory for mitigations.

References

https://www.dell.com/support/kbdoc/en-us/000481268/dsa-2026-278-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities

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