Academy LMS exposes lesson content to unenrolled students via REST API
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-639.
Summary
The Academy LMS WordPress plugin before 4.0.0 does not verify course enrollment or object ownership when returning a lesson's content through one of its REST API routes. An authenticated user with a self-registerable student account can read the full content of arbitrary lessons, including lessons from paid or private courses they are not enrolled in. This is CWE-639, an authorization bypass through a user-controlled key. An exploit link appears in the references.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
The Academy LMS WordPress plugin before 4.0.0 does not verify course enrollment or object ownership when returning a lesson's content through one of its REST API routes, allowing users with a self-registerable student account to read the full content of arbitrary lessons, including lessons of paid or private courses they are not enrolled in.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Academy LMS | before 4.0.0 | 4.0.0 | Patch available | CNA |
- Academy LMS VendorUnknown Affected before 4.0.0 Fixed in 4.0.0 Patch available CNA
Remediation
Update Academy LMS to version 4.0.0 or later, the first fixed version.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
- Fix · CNA Academy LMS (Unknown) Fixed in 4.0.0
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Academy LMS 4.0.0
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-69022 Academy LMS plugin exposes quiz answers across courses to studentsPriority LOW 19
Timeline
- 2026-10-07 Threatist record created from CVE-2026-104049
- 2026-10-07 Alias added: GHSA-43m9-7565-v53c
- 2026-10-07 CVSS score added · CISA ADP
- 2026-10-07 Weakness changed · CISA ADP
- 2026-10-07 CISA SSVC decision points changed
References
Sources
- CVE-2026-104049 · CVE Program
- CVE-2026-104049 · NVD
- FIRST EPSS
- GHSA-43m9-7565-v53c · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences