# CVE-2026-90566: Rizwan17 inventory-management-system Registration register.php createUserAccount improper authorization

> Attackers can escalate privileges by manipulating the usertype argument during registration in the inventory management system.

- **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:** 13 Sep 2026
- **Updated:** 14 Sep 2026
- **Also known as:** GHSA-xww7-g6xr-3jgc

## What is CVE-2026-90566?

CVE-2026-90566 is a medium-severity vulnerability in Rizwan17 inventory-management-system, published on 13 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A weakness has been identified in Rizwan17 inventory-management-system up to bfe78a330d01bb26b9daec5dc9ecd5c77900e03f. Affected by this vulnerability is the function createUserAccount of the file register.php of the component Registration Handler. Executing a manipulation of the argument usertype can lead to improper authorization. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The project was informed of the problem early through an issue report but has not responded yet.

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

## Which versions are affected by CVE-2026-90566?


## How do I fix CVE-2026-90566?

No fix has been published for CVE-2026-90566 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-90566 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90566 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-90566 and fix it if it is affected.

What it is: CVE-2026-90566 is a medium-severity vulnerability in Rizwan17 inventory-management-system, published on 13 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-2026-90566 exists.

Affected product: Rizwan17 inventory-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-2026-90566/ (Markdown: https://insights.sbomify.com/CVE-2026-90566/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-90566
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-90566
- OSV: https://osv.dev/vulnerability/CVE-2026-90566

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-90566/
Summaries are generated and may contain mistakes; the official description above is the record.