What is CVE-2026-68866?

CVE-2026-68866 is a medium-severity vulnerability in Dell Powerprotect Data Domain, classified under Relative Path Traversal. CVSS score: 6.5/10. Published 2026-10-27.

How severe is CVE-2026-68866?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Path Traversal in Dell Powerprotect Data Domain

CVE-2026-68866

PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.7, LTS2024 release versions 7.13.1.0 through 7.13.1.70, LTS2025 release versions 8.3.1.0 through 8.3.1.30, LTS2026 release versions 8.6.1.0 through 8.6.1.10, contain a Relative Path Traversal vulnerability in the certificate. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Denial of service.

Published 2026-10-27 · last modified 2026-10-27.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Dell Powerprotect Data Domain

Weakness classification (CWE)

CWE-23 — Relative Path Traversal

References

www.dell.com/support/kbdoc/en-us/000515178/dsa-2026-416-security-update-for-del… (vendor-advisory)

Frequently asked questions

What is CVE-2026-68866?: CVE-2026-68866 is a medium-severity vulnerability in Dell Powerprotect Data Domain, classified under Relative Path Traversal. CVSS score: 6.5/10. Published 2026-10-27.
How severe is CVE-2026-68866?: Medium severity. CVSS v3 base score is 6.5 out of 10.