# CVE-2026-4221: Tiandy Easy7 Integrated Management Platform Endpoint uploadLedImage unrestricted upload

> Remote attackers can upload arbitrary files via the uploadLedImage endpoint, potentially leading to code execution on the Tiandy Easy7 platform.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 16 Mar 2026
- **Updated:** 16 Mar 2026
- **Also known as:** GHSA-65rf-q535-88ch

## What is CVE-2026-4221?

CVE-2026-4221 is a medium-severity vulnerability in Tiandy Easy7 Integrated Management Platform, published on 16 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was found in Tiandy Easy7 Integrated Management Platform 7.17.0. This affects an unknown part of the file /rest/file/uploadLedImage of the component Endpoint. The manipulation of the argument File results in unrestricted upload. The attack may be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

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

## Which versions are affected by CVE-2026-4221?


## How do I fix CVE-2026-4221?

No fix has been published for CVE-2026-4221 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-4221 being exploited?

There is no known exploitation of CVE-2026-4221 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-4221 and fix it if it is affected.

What it is: CVE-2026-4221 is a medium-severity vulnerability in Tiandy Easy7 Integrated Management Platform, published on 16 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-4221 in the wild and no public exploit code.

Affected product: Tiandy Easy7 Integrated Management Platform. 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-2026-4221/ (Markdown: https://insights.sbomify.com/CVE-2026-4221/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-4221
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-4221
- OSV: https://osv.dev/vulnerability/CVE-2026-4221

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-4221/
Summaries are generated and may contain mistakes; the official description above is the record.