# CVE-2026-66492: Joomla Extension - phoca.cz - Path Traversal vulnerability in Phoca Commander 1.0.0-6.1.3

> Attackers can exploit improper path limitations in file uploads to read or modify files outside the intended directory.

- **Severity:** Medium 6.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/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:** 7 Aug 2026
- **Updated:** 10 Aug 2026
- **Also known as:** GHSA-7c99-cx95-2fcq

## What is CVE-2026-66492?

CVE-2026-66492 is a medium-severity path traversal vulnerability in phoca.cz Phoca Commander extension for Joomla, published on 7 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

Joomla Extension - phoca.cz - Path Traversal vulnerability in Phoca Commander 1.0.0-6.1.3 - Improper limitation of paths in the file upload action lead to path a traversal vulnerability.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2026-66492?


## How do I fix CVE-2026-66492?

No fix has been published for CVE-2026-66492 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-66492 being exploited?

There is no known exploitation of CVE-2026-66492 in the wild and no public exploit code.

Public exploit code:

- The Joomla extension PhocaCommander is vulnerable to Path Traversal in the file upload action - CVSS 6.1 (github_poc): https://github.com/toanln-cov/CVE-2026-66492

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-66492 and fix it if it is affected.

What it is: CVE-2026-66492 is a medium-severity path traversal vulnerability in phoca.cz Phoca Commander extension for Joomla, published on 7 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-66492 in the wild and no public exploit code.

Affected product: phoca.cz Phoca Commander extension for Joomla. 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-2026-66492/ (Markdown: https://insights.sbomify.com/CVE-2026-66492/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-66492
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-66492
- OSV: https://osv.dev/vulnerability/CVE-2026-66492

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-66492/
Summaries are generated and may contain mistakes; the official description above is the record.