CVE-2026-21418

Published: Jan 30, 2026

Modified: Feb 26, 2026

PUBLISHED

CVSS v3.1

7.8

HIGH

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.

Vendor	Product	Versions
Dell	Unity	affected `N/A - < 5.5.3`

Weaknesses (CWE)

CWE-78

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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

vendor-advisory

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CVE-2026-21418

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References