CVE-2026-16563: Unknown Academy Lms

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

The Academy LMS WordPress plugin before 3.8.3 does not verify course enrollment or lesson publication status when returning a single lesson through its REST API, allowing users with a self-service student (Subscriber-level) account to disclose the content of arbitrary lessons, including lessons of paid courses they are not enrolled in and unpublished (draft, pending, private) lessons.

Affected products

• Unknown Academy Lms: before 3.8.3 (fixed in 3.8.3)

Published 2026-08-03. Last modified 2026-08-26.