Improper Authentication in Dell PowerProtect Data Domain Products
CVE-2026-103779

8.3HIGH

Key Information:

Vendor

Dell
Status
Powerprotect Data Domain
Vendor
CVE Published:
28 October 2026

What is CVE-2026-103779?

Dell PowerProtect Data Domain products contain an Improper Authentication vulnerability, allowing low privileged attackers with remote access the potential to bypass critical protection mechanisms. This flaw impacts various versions spanning Feature and Long-Term Support releases, highlighting the need for immediate attention to security measures. Users should assess and mitigate risks associated with affected versions to enhance system integrity.

Affected Version(s)

PowerProtect Data Domain 0 < 8.9.0.0 or later

PowerProtect Data Domain 0 < 7.13.1.90 or later

PowerProtect Data Domain 0 < 8.3.1.50 or later

References

https://www.dell.com/support/kbdoc/en-us/000515178/dsa-20...
vendor-advisory

CVSS V3.1

Score:
8.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.