CVE-2026-23775: Dell Data Domain Operating System

Medium severity, CVSS 5.7. EPSS: 0.3% chance of exploitation in the next 30 days.

Dell PowerProtect Data Domain appliances with Data Domain Operating System (DD OS) of Feature Release versions 8.0 through 8.5, LTS2025 release version 8.3.1.0 through 8.3.1.10 contain an insertion of sensitive information into log file vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to credential exposures. Authentication attempts as the compromised user would need to be authorized by a high privileged DD user. This vulnerability only affects systems with retention lock enabled.

Affected products

• Dell Data Domain Operating System: from 8.3.0.0, before 8.3.1.20 (fixed in 8.3.1.20); from 8.4.0.0, before 8.6.0.0 (fixed in 8.6.0.0)

Published 2026-04-17. Last modified 2026-06-17.