# CVE-2026-21418: Command injection in Unity

> A low-privileged local attacker can exploit an OS command injection flaw in Dell Unity storage to execute arbitrary commands with root privileges.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 30 Jan 2026
- **Updated:** 26 Feb 2026
- **Also known as:** GHSA-86f8-8qwm-r888

## What is CVE-2026-21418?

CVE-2026-21418 is a high-severity command injection vulnerability in Dell Unity Operating Environment, published on 30 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official 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.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command)

## Which versions are affected by CVE-2026-21418?

It affects 1 product.


Products: Dell Unity Operating Environment.

## How do I fix CVE-2026-21418?

No fix has been published for CVE-2026-21418 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-21418 being exploited?

There is no known exploitation of CVE-2026-21418 in the wild and no public exploit code.

## Other vulnerabilities in Dell Unity Operating Environment

- [CVE-2025-22398](https://insights.sbomify.com/CVE-2025-22398/): Command injection in Unity (critical 9.8)
- [CVE-2025-24383](https://insights.sbomify.com/CVE-2025-24383/): Command injection in Unity (critical 9.1)
- [CVE-2025-24381](https://insights.sbomify.com/CVE-2025-24381/): Open redirect in Unity (high 8.8)
- [CVE-2023-43082](https://insights.sbomify.com/CVE-2023-43082/): Security feature bypass in Unity (high 8.6)
- [CVE-2022-29084](https://insights.sbomify.com/CVE-2022-29084/): Auth bypass in Unity (high 8.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-21418 and fix it if it is affected.

What it is: CVE-2026-21418 is a high-severity command injection vulnerability in Dell Unity Operating Environment, published on 30 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-21418 in the wild and no public exploit code.

Affected product: Dell Unity Operating Environment. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-21418/ (Markdown: https://insights.sbomify.com/CVE-2026-21418/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-21418
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-21418
- OSV: https://osv.dev/vulnerability/CVE-2026-21418

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-21418/
Summaries are generated and may contain mistakes; the official description above is the record.