Path Traversal Vulnerability in Dell PowerProtect Data Domain
CVE-2026-86398

8.8HIGH

Key Information:

Vendor

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

What is CVE-2026-86398?

Dell PowerProtect Data Domain versions 7.7.1.0 to 8.8, along with several LTS releases, are susceptible to a path traversal vulnerability. This issue allows low privileged attackers with remote access to exploit the system, potentially gaining unauthorized filesystem access. Such exploitation could lead to severe data exposure or unauthorized file manipulation, highlighting the importance of immediate remediation.

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:
8.8
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

.