CVE-2026-21418

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-01-30 · updated 2026-06-17
Weakness: CWE-78

Description

Dell Unity, version(s) 5.5.2 and prior, contain(s) an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to arbitrary command execution with root privileges.

Affected products

Dell Unity: before 5.5.3.0 — fixed in 5.5.3.0

How to fix

Upgrade to a fixed version: Dell Unity 5.5.3.0. Check the vendor advisory for mitigations.

References

https://www.dell.com/support/kbdoc/en-us/000421197/dsa-2026-054-security-update-for-dell-unity-dell-unityvsa-and-dell-unity-xt-security-update-for-multiple-vulnerabilities

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