CVE-2026-123655
Moodle: missing access checks on h5p content files
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-862 |
| Published | Nov 6, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
References
access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-123655 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2568053 github.com: https://github.com/moodle/moodle/commit/4b42ce4ed1d132214fd4b7d4b5f4f0387ec28a49 moodle.org: https://moodle.org/mod/forum/discuss.php?d=482830
Credits
Upstream acknowledges Jari Vilkman as the original reporter.