# CVE-2026-104049: Academy LMS < 4.0.0 - Subscriber+ Arbitrary Lesson Content Disclosure via Topic REST Endpoint

> Unauthenticated or low-privilege users can read private lesson content from paid courses due to missing enrollment checks in the REST API.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N`)
- **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:** 7 Oct 2026
- **Updated:** 7 Oct 2026
- **Also known as:** GHSA-43m9-7565-v53c

## What is CVE-2026-104049?

CVE-2026-104049 is a medium-severity missing authorization vulnerability in Unknown Academy LMS, published on 7 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The Academy LMS  WordPress plugin before 4.0.0 does not verify course enrollment or object ownership when returning a lesson's content through one of its REST API routes, allowing users with a self-registerable student account to read the full content of arbitrary lessons, including lessons of paid or private courses they are not enrolled in.

Weakness: CWE-639 (Authorization Bypass Through User-Controlled Key)

## Which versions are affected by CVE-2026-104049?


## How do I fix CVE-2026-104049?

No fix has been published for CVE-2026-104049 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-104049 being exploited?

There is no known exploitation of CVE-2026-104049 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-104049 and fix it if it is affected.

What it is: CVE-2026-104049 is a medium-severity missing authorization vulnerability in Unknown Academy LMS, published on 7 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-104049 in the wild and no public exploit code.

Affected product: Unknown Academy LMS. 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-2026-104049/ (Markdown: https://insights.sbomify.com/CVE-2026-104049/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-104049
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-104049
- OSV: https://osv.dev/vulnerability/CVE-2026-104049

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-104049/
Summaries are generated and may contain mistakes; the official description above is the record.