CVE-2026-104050 Academy LMS < 4.0.0 - Subscriber+ Cross-Course Quiz Answer Disclosure via render_quiz_answers
Authenticated users can read quiz answers from courses they are not enrolled in due to missing authorization checks in the Academy LMS plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-104050?
CVE-2026-104050 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 that a quiz question belongs to the course the requesting user is authorized to access before returning that question's answer options, allowing any authenticated user with access to a single course, such as an enrolled student, to read the quiz answer options of questions belonging to other courses they are not enrolled in.
Weakness: CWE-639
Which versions are affected by CVE-2026-104050?
How do I fix CVE-2026-104050?
No fix has been published for CVE-2026-104050 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-104050 being exploited?
There is no known exploitation of CVE-2026-104050 in the wild and no public exploit code.
Sources
Also known as GHSA-rg55-r6h3-vvf2.