# CVE-2026-102261: owen2345 Camaleon CMS Media Crop media_controller.rb crop authorization

> Attackers can bypass authorization in Camaleon CMS Media Crop Handler via the saved_avatar argument, allowing unauthorized access to crop functionality.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/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:** 29 Sep 2026
- **Updated:** 29 Sep 2026
- **Also known as:** GHSA-fgph-j4q2-h2m4

## What is CVE-2026-102261?

CVE-2026-102261 is a medium-severity authentication bypass vulnerability in owen2345 Camaleon CMS, published on 29 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A flaw has been found in owen2345 Camaleon CMS up to 2.9.2. Impacted is the function crop of the file app/controllers/camaleon_cms/admin/media_controller.rb of the component Media Crop Handler. This manipulation of the argument saved_avatar causes authorization bypass. The attack may be initiated remotely. The exploit has been published and may be used. Upgrading to version 2.9.3 is recommended to address this issue. Patch name: c143e145caa600947e70a240e87f2fed889149d3. It is suggested to upgrade the affected component.

Weakness: CWE-639 (Authorization Bypass Through User-Controlled Key), CWE-285 (Improper Authorization)

## Which versions are affected by CVE-2026-102261?


## How do I fix CVE-2026-102261?

No fix has been published for CVE-2026-102261 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-102261 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-102261 exists.

Public exploit code:

- https://vuldb.com/cve/CVE-2026-102261 (github_poc): https://github.com/7acini/CVE-2026-102261

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-102261 and fix it if it is affected.

What it is: CVE-2026-102261 is a medium-severity authentication bypass vulnerability in owen2345 Camaleon CMS, published on 29 Sep 2026. 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-2026-102261 exists.

Affected product: owen2345 Camaleon CMS. 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-2026-102261/ (Markdown: https://insights.sbomify.com/CVE-2026-102261/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-102261
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-102261
- OSV: https://osv.dev/vulnerability/CVE-2026-102261

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-102261/
Summaries are generated and may contain mistakes; the official description above is the record.