CVE-2026-86398

CVSS 8.8 (high) · published 2026-10-28

Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain an Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to filesystem access for attacker.

Weakness: CWE-22

Source: NVD CVE-2026-86398

References

• https://www.dell.com/support/kbdoc/en-us/000515178/dsa-2026-416-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities

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