# CVE-2026-54409: Auth bypass in UniFi Protect Application

> A network-based attacker can bypass authentication in UniFi Protect Cameras due to improper initialization in the UniFi Protect Application.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 2 Jul 2026
- **Updated:** 2 Jul 2026
- **Also known as:** GHSA-5wch-8p23-hj3x

## What is CVE-2026-54409?

CVE-2026-54409 is a high-severity authentication bypass vulnerability in Ubiquiti Inc UniFi Protect Application, published on 2 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

A malicious actor with access to the network and under certain conditions could exploit an Improper Initialization vulnerability found in UniFi Protect Application to bypass authentication in UniFi Protect Cameras.

Weakness: CWE-665 (Improper Initialization)

## Which versions are affected by CVE-2026-54409?

It affects 1 product.


Products: Ui Unifi Protect.

## How do I fix CVE-2026-54409?

No fix has been published for CVE-2026-54409 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-54409 being exploited?

There is no known exploitation of CVE-2026-54409 in the wild and no public exploit code.

## Other vulnerabilities in Ubiquiti Inc UniFi Protect Application

- [CVE-2026-55115](https://insights.sbomify.com/CVE-2026-55115/): Server-side request forgery in UniFi Protect Application (critical 9.9)
- [CVE-2021-22943](https://insights.sbomify.com/CVE-2021-22943/): A vulnerability found in UniFi Protect application V1.18.1 and earlier permits a malicious actor who has already gained access to a network (critical 9.6)
- [CVE-2026-56841](https://insights.sbomify.com/CVE-2026-56841/): SQL injection in UniFi Protect Application (high 8.8)
- [CVE-2026-21633](https://insights.sbomify.com/CVE-2026-21633/): Auth bypass in UniFi Protect Application (high 8.8)
- [CVE-2021-22957](https://insights.sbomify.com/CVE-2021-22957/): Cross-site request forgery in UniFi Protect application (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-54409 and fix it if it is affected.

What it is: CVE-2026-54409 is a high-severity authentication bypass vulnerability in Ubiquiti Inc UniFi Protect Application, published on 2 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-54409 in the wild and no public exploit code.

Affected product: Ubiquiti Inc UniFi Protect 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-2026-54409/ (Markdown: https://insights.sbomify.com/CVE-2026-54409/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-54409
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-54409
- OSV: https://osv.dev/vulnerability/CVE-2026-54409

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-54409/
Summaries are generated and may contain mistakes; the official description above is the record.