# CVE-2026-111652: Engineercms through 2.0.5 Missing Authorization via AttachController.Attachment

> Unauthenticated attackers can download project image and video attachments by accessing specific paths before authorization checks occur.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 16 Oct 2026
- **Updated:** 16 Oct 2026
- **Also known as:** GHSA-mq27-6p96-cfjc

## What is CVE-2026-111652?

CVE-2026-111652 is a medium-severity missing authorization vulnerability in 3xxx engineercms, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Engineercms through 2.0.5 contains a missing authorization vulnerability in AttachController.Attachment that allows unauthenticated attackers to download project image and video attachments. Attackers can request known or derived /attachment/* paths for .jpg, .png, .bmp, or .mp4 files, which are served before casbin, owner, or admin checks.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2026-111652?


## How do I fix CVE-2026-111652?

No fix has been published for CVE-2026-111652 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-111652 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111652 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-111652 and fix it if it is affected.

What it is: CVE-2026-111652 is a medium-severity missing authorization vulnerability in 3xxx engineercms, published on 16 Oct 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-2026-111652 exists.

Affected product: 3xxx engineercms. 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-2026-111652/ (Markdown: https://insights.sbomify.com/CVE-2026-111652/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-111652
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-111652
- OSV: https://osv.dev/vulnerability/CVE-2026-111652

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-111652/
Summaries are generated and may contain mistakes; the official description above is the record.