CVE-2026-1375 Missing authorization in Tutor LMS – eLearning and online course solution
Authenticated instructors can modify or delete arbitrary courses they do not own due to missing authorization checks in Tutor LMS.
- 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-2026-1375?
CVE-2026-1375 is a high-severity missing authorization vulnerability in themeum Tutor LMS – eLearning and online course solution, published on 3 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to Insecure Direct Object References (IDOR) in all versions up to, and including, 3.9.5. This is due to missing object-level authorization checks in the `course_list_bulk_action()`, `bulk_delete_course()`, and `update_course_status()` functions. This makes it possible for authenticated attackers, with Tutor Instructor-level access and above, to modify or delete arbitrary courses they do not own by manipulating course IDs in bulk action requests.
Weakness: CWE-639
Which versions are affected by CVE-2026-1375?
How do I fix CVE-2026-1375?
No fix has been published for CVE-2026-1375 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-2026-1375 being exploited?
There is no known exploitation of CVE-2026-1375 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-qxqc-g59m-cqx4.