CVE-2026-26355

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-03 · updated 2026-10-25
Weakness: CWE-78

Description

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 neutralization of special Elements used in an OS command ('OS command Injection') vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to command execution.

Affected products

Dell PowerProtect Data Domain: from 7.7.1.0 before 7.13.1.80; from 8.3.1.0 before 8.3.1.40; from 8.6.1.0 before 8.6.1.20 — fixed in 7.13.1.80, 8.3.1.40, 8.6.1.20

How to fix

Upgrade to a fixed version: Dell PowerProtect Data Domain 7.13.1.80, 8.3.1.40, 8.6.1.20. Check the vendor advisory for mitigations.

References

https://www.dell.com/support/kbdoc/en-us/000481268/dsa-2026-278-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities

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