Vulnerability in Moodle Project moodle

[ Description ]Official 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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund1 Nov 2026WID-SEC-2026-4274

  Moodle: Multiple vulnerabilities Translated from German

  CVE-2026-119554CVE-2026-119555CVE-2026-119553+1 more CVEs

[ References ]References

• abraxaslabs.tech/research/moodle-grades-gradeitems
• github.com/moodle/moodle
• github.com/moodle/moodle/blob/v5.3.0/public/grade/classes/external/get_gradeitems.php
• www.vulncheck.com/advisories/moodle-through-5.3.0-5.2.4-5.1.8-5.0.11-and-4.5.15-missing…