CVE-2026-86394: Dell PowerProtect Data Domain OS command injection

CVE-2026-86394 · Severity: high · CVSS 7.2 · Published 2026-10-28

Dell PowerProtect Data Domain is a backup and recovery appliance used by enterprises to protect critical data. A high-privileged remote attacker could exploit an OS command injection vulnerability to execute arbitrary commands on the system, potentially compromising the stored backup data and the appliance itself.

Technologies: Dell PowerProtect Data Domain. Vendors: Dell.

Quick answers

Is CVE-2026-86394 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-86394 being exploited in the wild.
How severe is CVE-2026-86394?
High severity, with a CVSS score of 7.2, published 28 October 2026.
Which products and versions are affected?
Dell PowerProtect Data Domain Feature Release 7.7.1.0 through 8.8, LTS2024 7.13.1.0 through 7.13.1.80, LTS2025 8.3.1.0 through 8.3.1.40, LTS2026 8.6.1.0 through 8.6.1.20.
Is there a fix for CVE-2026-86394?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-86394 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-86394?
Check whether you run Dell PowerProtect Data Domain at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The vulnerability is an improper neutralization of special elements in OS commands (CWE-78), allowing command injection. A high-privileged attacker with remote access can exploit this to achieve command execution. The vulnerability affects multiple release tracks: Feature Releases 7.7.1.0–8.8, LTS2024 7.13.1.0–7.13.1.80, LTS2025 8.3.1.0–8.3.1.40, and LTS2026 8.6.1.0–8.6.1.20.

Affected products

  • Dell PowerProtect Data Domain Feature Release 7.7.1.0 through 8.8, LTS2024 7.13.1.0 through 7.13.1.80, LTS2025 8.3.1.0 through 8.3.1.40, LTS2026 8.6.1.0 through 8.6.1.20

Timeline

  • 2026-10-28: disclosed

References

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