# CVE-2026-92247: synaptikcms synaptik-cms Admin File Manager file-manager.php rename unrestricted upload

> An attacker with admin privileges can upload malicious files via the file manager rename function, potentially leading to remote code execution.

- **Severity:** Medium 5.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 16 Sep 2026
- **Updated:** 16 Sep 2026
- **Also known as:** GHSA-m8g7-gf9g-5m7f

## What is CVE-2026-92247?

CVE-2026-92247 is a medium-severity vulnerability in synaptikcms synaptik-cms, published on 16 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

A security vulnerability has been detected in synaptikcms synaptik-cms up to 1.3.4.4. This affects the function rename of the file admin/file-manager.php of the component Admin File Manager. The manipulation leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 1.3.5 is able to mitigate this issue. It is suggested to upgrade the affected component.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type), CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2026-92247?


## How do I fix CVE-2026-92247?

No fix has been published for CVE-2026-92247 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-92247 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-92247 exists.

Public exploit code:

- Rce In synaptikcms (github_poc): https://github.com/d1n3sh-0x3/CVE-2026-92247

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-92247 and fix it if it is affected.

What it is: CVE-2026-92247 is a medium-severity vulnerability in synaptikcms synaptik-cms, published on 16 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-92247 exists.

Affected product: synaptikcms synaptik-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-2026-92247/ (Markdown: https://insights.sbomify.com/CVE-2026-92247/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-92247
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-92247
- OSV: https://osv.dev/vulnerability/CVE-2026-92247

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-92247/
Summaries are generated and may contain mistakes; the official description above is the record.