CVE-2026-56086 Missing authorization in PowerProtect Data Domain
A low-privileged remote attacker can exploit incorrect authorization in Dell PowerProtect Data Domain to gain unauthorized access to data.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-56086?
CVE-2026-56086 is a high-severity missing authorization vulnerability in Dell Data Domain Operating System, published on 8 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6, 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 Incorrect Authorization vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access.
Weakness: CWE-863
Which versions are affected by CVE-2026-56086?
It affects 1 product.
Products include Dell Data Domain Operating System.
How do I fix CVE-2026-56086?
No fix has been published for CVE-2026-56086 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-56086 being exploited?
There is no known exploitation of CVE-2026-56086 in the wild and no public exploit code.
Other vulnerabilities in Dell Data Domain Operating System
Sources
Also known as GHSA-gc2x-3r66-52fv.