Is CVE-2026-103779 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-103779 being exploited in the wild.

How severe is CVE-2026-103779?

High severity, with a CVSS score of 8.3, 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-2026-103779?

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-2026-103779 attacked?

It is attacked over the network, in a network appliance.

Am I affected by CVE-2026-103779?

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.

CVE-2026-103779: Dell PowerProtect Data Domain improper authentication

CVE-2026-103779 · Severity: high · CVSS 8.3 · Published 2026-10-28

Dell PowerProtect Data Domain is a backup and disaster recovery storage appliance used by enterprises to protect critical data. A remote attacker with low privileges can bypass authentication mechanisms on affected versions, potentially gaining unauthorized access to protected data and backup infrastructure. This could allow an attacker to access, modify, or delete backups, compromising the organization's ability to recover from data loss or ransomware attacks.

Technologies: Dell PowerProtect Data Domain. Vendors: Dell.

Quick answers

Is CVE-2026-103779 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-103779 being exploited in the wild.
How severe is CVE-2026-103779?: High severity, with a CVSS score of 8.3, 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-2026-103779?: 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-2026-103779 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-103779?: 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 authentication flaw in PowerProtect Data Domain that allows a low-privileged remote attacker to bypass protection mechanisms. The affected versions span multiple release branches (Feature Release 7.7.1.0–8.8, LTS2024 7.13.1.0–7.13.1.80, LTS2025 8.3.1.0–8.3.1.40, LTS2026 8.6.1.0–8.6.1.20), indicating the issue affects multiple deployment paths. Successful exploitation can lead to unauthorized access with potential for data exfiltration, modification, or destruction.

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

https://www.dell.com/support/kbdoc/en-us/000515178/dsa-2026-416-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities

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