CVE-2026-53479 Command injection in PowerProtect Data Domain

High 7.2 Published 7 Jul 2026 Updated 8 Jul 2026

Remote high-privileged attackers can execute arbitrary commands with root privileges on Dell PowerProtect Data Domain systems, requiring immediate upgrades.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-53479?

CVE-2026-53479 is a high-severity command injection vulnerability in Dell Data Domain Operating System, published on 7 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official 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.

Weakness: CWE-78

Which versions are affected by CVE-2026-53479?

It affects 1 product.

Products include Dell Data Domain Operating System.

How do I fix CVE-2026-53479?

No fix has been published for CVE-2026-53479 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-53479 being exploited?

There is no known exploitation of CVE-2026-53479 in the wild and no public exploit code.

All Dell Data Domain Operating System vulnerabilities

Sources

Also known as GHSA-f6jg-8mpc-4w2q.