# CVE-2026-40436: ZTE ZXEDM iEMS product has a password reset vulnerability

> Attackers can access user lists and reset passwords due to missing authorization, leading to unauthorized account takeover.

- **Severity:** High 7.1 (`CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 13 Apr 2026
- **Updated:** 13 Apr 2026
- **Also known as:** GHSA-qc8x-v7mj-j62g

## What is CVE-2026-40436?

CVE-2026-40436 is a high-severity missing authorization vulnerability in ZTE ZXEDM iEMS, published on 13 Apr 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

The ZTE ZXEDM iEMS product has a password reset vulnerability for any user.Because the management of the cloud EMS portal does not properly control access to the user list acquisition function, attackers can read all user list information through the user list interface. Attackers can reset the passwords of obtained user information, causing risks such as unauthorized operations.

## Which versions are affected by CVE-2026-40436?

It affects 1 product.


Products: Zte Zxesm Iems.

## How do I fix CVE-2026-40436?

No fix has been published for CVE-2026-40436 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-40436 being exploited?

There is no known exploitation of CVE-2026-40436 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-40436 and fix it if it is affected.

What it is: CVE-2026-40436 is a high-severity missing authorization vulnerability in ZTE ZXEDM iEMS, published on 13 Apr 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-40436 in the wild and no public exploit code.

Affected product: ZTE ZXEDM iEMS. 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-2026-40436/ (Markdown: https://insights.sbomify.com/CVE-2026-40436/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-40436
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-40436
- OSV: https://osv.dev/vulnerability/CVE-2026-40436

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-40436/
Summaries are generated and may contain mistakes; the official description above is the record.