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
- State
- Published
- Severity
- 5.3 Medium
- Published
- Oct 30, 2026
- Updated
- Oct 30, 2026
- Reserved
- Oct 30, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N | VulnCheck |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
moodleMoodle Project |
|
References
- https://github.com/moodle/moodle/blob/v5.3.0/public/grade/classes/external/get_gradeitems.php#L74-L80technical-description
- https://abraxaslabs.tech/research/moodle-grades-gradeitemsthird-party-advisory
- https://github.com/moodle/moodleproduct
- VulnCheck Advisory: Moodle through 5.3.0, 5.2.4, 5.1.8, 5.0.11 and 4.5.15 Missing Authorization via core_grades_get_gradeitemsthird-party-advisory
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