CVE-2026-53483 Auth bypass in PowerProtect Data Domain

Critical 9.8 Published 7 Jul 2026 Updated 8 Jul 2026

Unauthenticated remote attackers can bypass authentication to gain complete control of Dell PowerProtect Data Domain systems.

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

What is CVE-2026-53483?

CVE-2026-53483 is a critical authentication bypass vulnerability in Dell Data Domain Operating System, published on 7 Jul 2026. An attacker can exploit it over the internet without logging in, 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 an improper authentication vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access. This is a critical severity vulnerability as it allows an attacker to take complete control of system; so Dell recommends customers to upgrade at the earliest opportunity.

Weakness: CWE-287

Which versions are affected by CVE-2026-53483?

It affects 1 product.

Products include Dell Data Domain Operating System.

How do I fix CVE-2026-53483?

No fix has been published for CVE-2026-53483 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-53483 being exploited?

There is no known exploitation of CVE-2026-53483 in the wild and no public exploit code.

All Dell Data Domain Operating System vulnerabilities

Sources

Also known as GHSA-crf6-f3jp-fmm4.