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.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
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
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.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-82848 being exploited?
There is no known exploitation of CVE-2026-82848 in the wild and no public exploit code.
Sources
Also known as GHSA-3fc3-m3vj-c335.