Path Traversal in Dell Data Domain Operating System

CVE-2026-53481

Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.7, LTS2026 release version 8.6.1.0 through 8.6.1.10, LTS2025 release version 8.3.1.0 through 8.3.1.30, LTS2024 release versions 7.13.1.0 through 7.13.1.70 contain an improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access to the system. This is a critical severity vulnerability as it allows an attacker to take complete control of system; so Dell recommends customers to upgrade at the earliest opportunity.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.004 (37.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-53481?
CVE-2026-53481 is a critical-severity vulnerability in Dell Data Domain Operating System, classified under Path Traversal. CVSS score: 9.8/10. Published 2026-07-07.
How severe is CVE-2026-53481?
Critical severity. CVSS v3 base score is 9.8 out of 10.