CVE-2026-26944

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-20 · updated 2026-10-26
Weakness: CWE-306

Description

Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6, LTS2025 release version 8.3.1.0 through 8.3.1.20, LTS2024 release versions 7.13.1.0 through 7.13.1.60 contain a missing authentication for critical function vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to arbitrary command execution with root privileges. Exploitation requires an authenticated user to perform a specific action.

Affected products

Dell PowerProtect Data Domain: from 7.7.1.0 before 7.13.1.70; from 7.14.0.0 before 8.3.1.30; from 8.4.0.0 before 8.6.1.0 — fixed in 7.13.1.70, 8.3.1.30, 8.6.1.0
Dell Powerprotect Dp Series Appliance: before 2.7.9 — fixed in 2.7.9

How to fix

Upgrade to a fixed version: Dell PowerProtect Data Domain 7.13.1.70, 8.3.1.30, 8.6.1.0; Dell Powerprotect Dp Series Appliance 2.7.9. Check the vendor advisory for mitigations.

References

https://www.dell.com/support/kbdoc/en-us/000450699/dsa-2026-060-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities

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