# CVE-2026-55112: Privilege escalation in Cloud Gateways

> A low-privileged network attacker can escalate privileges on UniFi OS devices via an improper access control flaw in the Protect application.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:H/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:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 2 Jul 2026
- **Updated:** 2 Jul 2026
- **Also known as:** GHSA-8jvx-73vq-fvch

## What is CVE-2026-55112?

CVE-2026-55112 is a high-severity vulnerability in Ubiquiti Inc Cloud Gateways, published on 2 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A malicious actor with access to the network and low privileges and under certain conditions could exploit an Improper Access Control vulnerability found in UniFi OS with UniFi Protect Application to escalate privileges on the host device.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2026-55112?

It affects 19 products.


Products: Ui Enterprise Network Video Recorder Core Firmware, Ui Enterprise Network Video Recorder Firmware, Ui Unifi Cloud Gateway Fiber Firmware, Ui Unifi Cloud Gateway Industrial Firmware, Ui Unifi Cloud Gateway Max Firmware, Ui Unifi Cloudkey Firmware, Ui Unifi Dream Machine Beast Firmware, Ui Unifi Dream Machine Pro Firmware, Ui Unifi Dream Machine Pro Max Firmware, Ui Unifi Dream Machine Special Edition Firmware, Ui Unifi Dream Router 5g Max Firmware, Ui Unifi Dream Router 7 Firmware, Ui Unifi Dream Router Firmware, Ui Unifi Dream Wall Firmware, Ui Unifi Network Video Recorder Firmware, Ui Unifi Network Video Recorder G2 Firmware, Ui Unifi Network Video Recorder G2 Pro Firmware, Ui Unifi Network Video Recorder Instant Firmware, Ui Unifi Network Video Recorder Pro Firmware.

## How do I fix CVE-2026-55112?

No fix has been published for CVE-2026-55112 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-55112 being exploited?

There is no known exploitation of CVE-2026-55112 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-55112 and fix it if it is affected.

What it is: CVE-2026-55112 is a high-severity vulnerability in Ubiquiti Inc Cloud Gateways, published on 2 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-55112 in the wild and no public exploit code.

Affected product: Ubiquiti Inc Cloud Gateways. 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-2026-55112/ (Markdown: https://insights.sbomify.com/CVE-2026-55112/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-55112
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-55112
- OSV: https://osv.dev/vulnerability/CVE-2026-55112

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-55112/
Summaries are generated and may contain mistakes; the official description above is the record.