# CVE-2025-11016: kalcaddle kodbox index.class.php fileOut path traversal

> Remote attackers can exploit a path traversal vulnerability in kodbox to read arbitrary files from the server.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P`)
- **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:** 26 Sep 2025
- **Updated:** 26 Sep 2025
- **Also known as:** GHSA-v94g-cc67-f4w5

## What is CVE-2025-11016?

CVE-2025-11016 is a medium-severity path traversal vulnerability in kalcaddle kodbox, published on 26 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A security vulnerability has been detected in kalcaddle kodbox up to 1.61.09. The affected element is the function fileOut of the file app/controller/explorer/index.class.php. Such manipulation of the argument path leads to path traversal. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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

## Which versions are affected by CVE-2025-11016?


## How do I fix CVE-2025-11016?

No fix has been published for CVE-2025-11016 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-11016 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-11016 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-11016 and fix it if it is affected.

What it is: CVE-2025-11016 is a medium-severity path traversal vulnerability in kalcaddle kodbox, published on 26 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-11016 exists.

Affected product: kalcaddle kodbox. 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-2025-11016/ (Markdown: https://insights.sbomify.com/CVE-2025-11016/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-11016
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-11016
- OSV: https://osv.dev/vulnerability/CVE-2025-11016

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-11016/
Summaries are generated and may contain mistakes; the official description above is the record.