# CVE-2026-50043: Command injection in SkyBridge MB-A100/MB-A110

> An authenticated administrator can execute arbitrary OS commands on SkyBridge MB-A100/MB-A110 devices due to improper input neutralization.

- **Severity:** High 8.6 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 1 Jul 2026
- **Updated:** 1 Jul 2026
- **Also known as:** GHSA-5g5j-j2fm-vcpf

## What is CVE-2026-50043?

CVE-2026-50043 is a high-severity command injection vulnerability in Seiko Solutions Inc. SkyBridge MB-A100/MB-A110, published on 1 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in SkyBridge MB-A100/MB-A110. If this vulnerability is exploited, an arbitrary OS command may be executed by an attacker who can log in to the product with an administrative privilege.

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

## Which versions are affected by CVE-2026-50043?


## How do I fix CVE-2026-50043?

No fix has been published for CVE-2026-50043 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-50043 being exploited?

There is no known exploitation of CVE-2026-50043 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-50043 and fix it if it is affected.

What it is: CVE-2026-50043 is a high-severity command injection vulnerability in Seiko Solutions Inc. SkyBridge MB-A100/MB-A110, published on 1 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-50043 in the wild and no public exploit code.

Affected product: Seiko Solutions Inc. SkyBridge MB-A100/MB-A110. 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-2026-50043/ (Markdown: https://insights.sbomify.com/CVE-2026-50043/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-50043
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-50043
- OSV: https://osv.dev/vulnerability/CVE-2026-50043

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-50043/
Summaries are generated and may contain mistakes; the official description above is the record.