# CVE-2026-104069: HortusFox < 6.2 Remote Code Execution via Theme Import

> An authenticated administrator can achieve remote code execution by uploading a malicious theme archive containing PHP files to the web root.

- **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:** 6 Oct 2026
- **Updated:** 27 Oct 2026
- **Also known as:** GHSA-6h79-56ph-ww3m

## What is CVE-2026-104069?

CVE-2026-104069 is a high-severity vulnerability in danielbrendel hortusfox-web, published on 6 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

HortusFox before 6.2 contains a remote code execution vulnerability in ThemeModule::startImport() where an uploaded ZIP archive is extracted directly into the public web root before any validation of file names, extensions, or content is performed. An authenticated administrator can upload a crafted theme archive containing a PHP file and an .htaccess file to re-enable execution, then request it under the themes directory to execute arbitrary OS commands as the web-server user.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2026-104069?


## How do I fix CVE-2026-104069?

No fix has been published for CVE-2026-104069 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-104069 being exploited?

There is no known exploitation of CVE-2026-104069 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-104069 and fix it if it is affected.

What it is: CVE-2026-104069 is a high-severity vulnerability in danielbrendel hortusfox-web, published on 6 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-104069 in the wild and no public exploit code.

Affected product: danielbrendel hortusfox-web. 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-2026-104069/ (Markdown: https://insights.sbomify.com/CVE-2026-104069/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-104069
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-104069
- OSV: https://osv.dev/vulnerability/CVE-2026-104069

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-104069/
Summaries are generated and may contain mistakes; the official description above is the record.