# CVE-2026-86673: ningzichun Student Management System Database Connection database.php mysqli_connect hard-coded credentials

> Hard-coded database credentials in the Student Management System allow remote attackers to access and modify data.

- **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:** 8 Sep 2026
- **Updated:** 8 Sep 2026
- **Also known as:** GHSA-4j2h-38rw-rmjr

## What is CVE-2026-86673?

CVE-2026-86673 is a medium-severity vulnerability in ningzichun Student Management System, published on 8 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was determined in ningzichun Student Management System up to 98760f5711cf6dc8b4adca53a9e207ca49b02ebf. Affected by this issue is the function mysqli_connect of the file config/database.php of the component Database Connection. This manipulation causes hard-coded credentials. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. The project was informed of the problem early through an issue report but has not responded yet.

Weakness: CWE-798 (Use of Hard-coded Credentials), CWE-259 (Use of Hard-coded Password)

## Which versions are affected by CVE-2026-86673?


## How do I fix CVE-2026-86673?

No fix has been published for CVE-2026-86673 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-86673 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-86673 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-86673 and fix it if it is affected.

What it is: CVE-2026-86673 is a medium-severity vulnerability in ningzichun Student Management System, published on 8 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-86673 exists.

Affected product: ningzichun Student 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-2026-86673/ (Markdown: https://insights.sbomify.com/CVE-2026-86673/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-86673
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-86673
- OSV: https://osv.dev/vulnerability/CVE-2026-86673

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-86673/
Summaries are generated and may contain mistakes; the official description above is the record.