# CVE-2026-78685: Le-yan｜Medical Practice Management System - Remote Code Execution

> Unauthenticated attackers can execute arbitrary OS commands via a crafted HTML page in Le-yan Medical Practice Management System.

- **Severity:** High 8.6 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 25 Aug 2026
- **Updated:** 25 Aug 2026
- **Also known as:** GHSA-79cf-7rfq-5q6f

## What is CVE-2026-78685?

CVE-2026-78685 is a high-severity command injection vulnerability in Le-yan Medical Practice Management System, published on 25 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

Medical Practice Management System developed by Le-yan has a Remote Code Execution vulnerability. Unauthenticated remote attackers can execute arbitrary OS commamnds via a crafted HTML page.

Weakness: CWE-940 (Improper Verification of Source of a Communication Channel)

## Which versions are affected by CVE-2026-78685?


## How do I fix CVE-2026-78685?

No fix has been published for CVE-2026-78685 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-78685 being exploited?

There is no known exploitation of CVE-2026-78685 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-78685 and fix it if it is affected.

What it is: CVE-2026-78685 is a high-severity command injection vulnerability in Le-yan Medical Practice Management System, published on 25 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-78685 in the wild and no public exploit code.

Affected product: Le-yan Medical Practice Management System. 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-2026-78685/ (Markdown: https://insights.sbomify.com/CVE-2026-78685/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-78685
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-78685
- OSV: https://osv.dev/vulnerability/CVE-2026-78685

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-78685/
Summaries are generated and may contain mistakes; the official description above is the record.