# CVE-2026-82848: Masteriyo LMS 1.3.1 - 2.3.3 - Unauthenticated Course Enrollment Disclosure

> Unauthenticated attackers can read any learner's course enrollment and progress data via the REST API due to missing authorization checks.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 9 Sep 2026
- **Updated:** 9 Sep 2026
- **Also known as:** GHSA-3fc3-m3vj-c335

## What is CVE-2026-82848?

CVE-2026-82848 is a medium-severity missing authorization vulnerability in Unknown Masteriyo LMS, published on 9 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Masteriyo LMS  WordPress plugin before 3.4.0 does not perform any authorization check before returning a course enrolment record over its REST API, allowing unauthenticated users to read any learner's enrolment status, timestamps and course-progress data by walking sequential record identifiers. A related gap lets any enrolled user retrieve other learners' enrolment records as well.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2026-82848?


## How do I fix CVE-2026-82848?

No fix has been published for CVE-2026-82848 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-82848 being exploited?

There is no known exploitation of CVE-2026-82848 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-82848 and fix it if it is affected.

What it is: CVE-2026-82848 is a medium-severity missing authorization vulnerability in Unknown Masteriyo LMS, published on 9 Sep 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-2026-82848 in the wild and no public exploit code.

Affected product: Unknown Masteriyo 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-2026-82848/ (Markdown: https://insights.sbomify.com/CVE-2026-82848/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-82848
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-82848
- OSV: https://osv.dev/vulnerability/CVE-2026-82848

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-82848/
Summaries are generated and may contain mistakes; the official description above is the record.