# CVE-2026-26237: QuMagie

> Remote attackers can access unauthorized data or perform unauthorized actions in QNAP QuMagie due to missing authorization checks.

- **Severity:** Medium 6.6 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 10 Jun 2026
- **Updated:** 17 Jun 2026
- **Also known as:** GHSA-j3pp-x9pg-8vx4

## What is CVE-2026-26237?

CVE-2026-26237 is a medium-severity missing authorization vulnerability in QNAP Systems Inc. QuMagie, published on 10 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A missing authorization vulnerability has been reported to affect QuMagie. The remote attackers can then exploit the vulnerability to access unauthorized data or perform unauthorized actions.

We have already fixed the vulnerability in the following version:
QuMagie 2.9.0 and later

Weakness: CWE-862 (Missing Authorization), CWE-359 (Exposure of Private Personal Information to an Unauthorized Actor)

## Which versions are affected by CVE-2026-26237?

It affects 1 product.


Products: Qnap Qumagie.

## How do I fix CVE-2026-26237?

No fix has been published for CVE-2026-26237 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-26237 being exploited?

There is no known exploitation of CVE-2026-26237 in the wild and no public exploit code.

## Other vulnerabilities in QNAP Systems Inc. QuMagie

- [CVE-2025-52425](https://insights.sbomify.com/CVE-2025-52425/): QuMagie (critical 9.5)
- [CVE-2023-39295](https://insights.sbomify.com/CVE-2023-39295/): QuMagie (high 8.8)
- [CVE-2026-44083](https://insights.sbomify.com/CVE-2026-44083/): QuMagie (high 8.7)
- [CVE-2025-58464](https://insights.sbomify.com/CVE-2025-58464/): QuMagie (high 7.8)
- [CVE-2023-47560](https://insights.sbomify.com/CVE-2023-47560/): QuMagie (high 7.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-26237 and fix it if it is affected.

What it is: CVE-2026-26237 is a medium-severity missing authorization vulnerability in QNAP Systems Inc. QuMagie, published on 10 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-26237 in the wild and no public exploit code.

Affected product: QNAP Systems Inc. QuMagie. 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-2026-26237/ (Markdown: https://insights.sbomify.com/CVE-2026-26237/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-26237
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-26237
- OSV: https://osv.dev/vulnerability/CVE-2026-26237

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-26237/
Summaries are generated and may contain mistakes; the official description above is the record.