---
id: CVE-2026-123655
title: 'Moodle: missing access checks on h5p content files'
summary: >-
  A flaw was found in Moodle. Insufficient access control checks on H5P content
  files allow unauthenticated remote attackers to view restricted materials,
  including content stored in the system context and files belonging to hidden
  or unav…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cvssSource: cna
cwe:
  - CWE-862
product: moodle
affected:
  - moodle >= 4.5.0 < 4.5.15
  - moodle >= 5.0.0 < 5.0.11
  - moodle >= 5.1.0 < 5.1.8
  - moodle >= 5.2.0 < 5.2.4
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-11-06T13:51:35.603019Z'
published: '2026-11-06'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T14:45:54.762Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-123655'
references:
  - url: 'https://access.redhat.com/security/cve/CVE-2026-123655'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2568053'
    label: RHBZ#2568053
  - url: >-
      https://github.com/moodle/moodle/commit/4b42ce4ed1d132214fd4b7d4b5f4f0387ec28a49
  - url: 'https://moodle.org/mod/forum/discuss.php?d=482830'
tags:
  - cve.org
ingestedAt: '2026-11-06T12:51:23.204Z'
---

## Overview

A flaw was found in Moodle. Insufficient access control checks on H5P content files allow unauthenticated remote attackers to view restricted materials, including content stored in the system context and files belonging to hidden or unavailable course modules. This issue results in unauthorized information disclosure of protected content.

## Affected

- `moodle >= 4.5.0 < 4.5.15`
- `moodle >= 5.0.0 < 5.0.11`
- `moodle >= 5.1.0 < 5.1.8`
- `moodle >= 5.2.0 < 5.2.4`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.