Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://abraxaslabs.tech/research/moodle-grades-gradeitems
- https://github.com/moodle/moodle
- https://github.com/moodle/moodle/blob/v5.3.0/public/grade/classes/external/get_g
- https://www.vulncheck.com/advisories/moodle-through-5.3.0-5.2.4-5.1.8-5.0.11-and
FAQ
What is CVE-2026-119556?
CVE-2026-119556 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 enro...
How severe is CVE-2026-119556?
CVE-2026-119556 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-119556?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.