CVE-2026-119556
Moodle through 5.3.0, 5.2.4, 5.1.8, 5.0.11 and 4.5.15 Missing Authorization via core_grades_get_gradeitems
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
Moodle 4.2.0 through 4.5.15, 5.0.0 through 5.0.11, 5.1.0 through 5.1.8, 5.2.0 through 5.2.4, and 5.3.0 contain a missing capability check in the core_grades_get_gradeitems web service that allows enrolled students to view hidden grade items. Authenticated course users can call the AJAX or mobile web service to list hidden grade item ids, names, and categories that the gradebook conceals from them.
| CWE | CWE-862 |
| Vendor | moodle project |
| Product | moodle |
| Published | Oct 30, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
Moodle Project / moodle
5.3.0 5.2.0 ≤ 5.2.4 5.1.0 ≤ 5.1.8 5.0.0 ≤ 5.0.11 4.2.0 ≤ 4.5.15
References
github.com: https://github.com/moodle/moodle/blob/v5.3.0/public/grade/classes/external/get_gradeitems.php#L74-L80 abraxaslabs.tech: https://abraxaslabs.tech/research/moodle-grades-gradeitems github.com: https://github.com/moodle/moodle vulncheck.com: https://www.vulncheck.com/advisories/moodle-through-5.3.0-5.2.4-5.1.8-5.0.11-and-4.5.15-missing-authorization-via-core-grades-get-gradeitems
Credits
Abraxas Labs