Read the docs

Academy LMS exposes lesson content to unenrolled students via REST API

Priority LOW 19CWE-639Published · Updated

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

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00162 5th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Academy LMS (Unknown): 4.0.0

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

VendorProductAffected versionsFixed inStatusSource
UnknownAcademy LMSbefore 4.0.04.0.0Patch availableCNA
  • 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

  1. 2026-10-07 Threatist record created from CVE-2026-104049
  2. 2026-10-07 Alias added: GHSA-43m9-7565-v53c
  3. 2026-10-07 CVSS score added · CISA ADP
  4. 2026-10-07 Weakness changed · CISA ADP
  5. 2026-10-07 CISA SSVC decision points changed

References

Sources