# CVE-2026-56842: Missing authorization in UniFi Network Application

> An attacker with network access can retain unauthorized privileges in UniFi Network Application after access removal, requiring a patch to fix.

- **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-fhjm-rpqj-xm7m

## What is CVE-2026-56842?

CVE-2026-56842 is a high-severity missing authorization vulnerability in Ubiquiti Inc UniFi Network Application, 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 under certain conditions could exploit an Incorrect Authorization vulnerability found in UniFi Network Application to persist privileges within UniFi Network Application after such access had been removed.

Weakness: CWE-863 (Incorrect Authorization)

## Which versions are affected by CVE-2026-56842?

It affects 1 product.


Products: Ui Unifi Network Application.

## How do I fix CVE-2026-56842?

No fix has been published for CVE-2026-56842 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-56842 being exploited?

There is no known exploitation of CVE-2026-56842 in the wild and no public exploit code.

## Other vulnerabilities in Ubiquiti Inc UniFi Network Application

- [CVE-2023-41721](https://insights.sbomify.com/CVE-2023-41721/): Missing authorization in UniFi Network Application (critical 10.0)
- [CVE-2023-28365](https://insights.sbomify.com/CVE-2023-28365/): Command injection in UniFi Network application (critical 9.1)
- [CVE-2026-55114](https://insights.sbomify.com/CVE-2026-55114/): Privilege escalation in UniFi Network Application (high 8.8)
- [CVE-2026-54406](https://insights.sbomify.com/CVE-2026-54406/): Path traversal in UniFi Network Application (high 8.7)
- [CVE-2026-55118](https://insights.sbomify.com/CVE-2026-55118/): Privilege escalation in UniFi Network Application (high 8.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-56842 and fix it if it is affected.

What it is: CVE-2026-56842 is a high-severity missing authorization vulnerability in Ubiquiti Inc UniFi Network Application, 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-2026-56842 in the wild and no public exploit code.

Affected product: Ubiquiti Inc UniFi Network Application. 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-2026-56842/ (Markdown: https://insights.sbomify.com/CVE-2026-56842/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-56842
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-56842
- OSV: https://osv.dev/vulnerability/CVE-2026-56842

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-56842/
Summaries are generated and may contain mistakes; the official description above is the record.