# CVE-2026-3761: SourceCodester Client Database Management System Endpoint superadmin_user_delete.php improper authorization

> Remote attackers can delete users via improper authorization in the superadmin endpoint, requiring immediate attention from system administrators.

- **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:** 8 Mar 2026
- **Updated:** 11 Mar 2026
- **Also known as:** GHSA-w2vv-mpj3-mw89

## What is CVE-2026-3761?

CVE-2026-3761 is a medium-severity missing authorization vulnerability in SourceCodester Client Database Management System, published on 8 Mar 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 SourceCodester Client Database Management System 1.0. This issue affects some unknown processing of the file /superadmin_user_delete.php of the component Endpoint. Executing a manipulation of the argument user_id can lead to improper authorization. The attack may be performed from remote. The exploit has been published and may be used.

Weakness: CWE-285 (Improper Authorization), CWE-266 (Incorrect Privilege Assignment)

## Which versions are affected by CVE-2026-3761?

It affects 1 product.


Products: Lerouxyxchire Client Database Management System.

## How do I fix CVE-2026-3761?

No fix has been published for CVE-2026-3761 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-3761 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3761 exists.

## Other vulnerabilities in SourceCodester Client Database Management System

- [CVE-2025-46188](https://insights.sbomify.com/CVE-2025-46188/): SQL injection in n/a (critical 9.8)
- [CVE-2025-46189](https://insights.sbomify.com/CVE-2025-46189/): SQL injection in n/a (critical 9.8)
- [CVE-2025-46190](https://insights.sbomify.com/CVE-2025-46190/): SQL injection in n/a (critical 9.8)
- [CVE-2025-46191](https://insights.sbomify.com/CVE-2025-46191/): File upload in n/a (critical 9.8)
- [CVE-2025-46192](https://insights.sbomify.com/CVE-2025-46192/): SQL injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-3761 and fix it if it is affected.

What it is: CVE-2026-3761 is a medium-severity missing authorization vulnerability in SourceCodester Client Database Management System, published on 8 Mar 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-2026-3761 exists.

Affected product: SourceCodester Client Database 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-2026-3761/ (Markdown: https://insights.sbomify.com/CVE-2026-3761/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-3761
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-3761
- OSV: https://osv.dev/vulnerability/CVE-2026-3761

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-3761/
Summaries are generated and may contain mistakes; the official description above is the record.