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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Moodle Project moodle unaffected
Version Status Constraints
5.3.0 affected —
5.2.0 affected ≤ 5.2.4
5.1.0 affected ≤ 5.1.8
5.0.0 affected ≤ 5.0.11
4.2.0 affected ≤ 4.5.15

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Moodle Subscribe
Moodle Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://abraxaslabs.tech/research/moodle-grades-gradeitems cve-icon cve-icon
https://github.com/moodle/moodle cve-icon cve-icon
https://github.com/moodle/moodle/blob/v5.3.0/public/grade/classes/external/get_gradeitems.php#L74-L80 cve-icon cve-icon
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 cve-icon cve-icon
History

Fri, 30 Oct 2026 11:45:00 +0000

Type Values Removed Values Added
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.
Title 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
First Time appeared Moodle
Moodle moodle
Weaknesses CWE-862
CPEs cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:5.3.0:*:*:*:*:*:*:*
Vendors & Products Moodle
Moodle moodle
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 5.3, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-30T11:31:06.200Z

Reserved: 2026-10-30T10:53:28.201Z

Link: CVE-2026-119556

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-30T12:16:42.737

Modified: 2026-10-30T12:16:42.737

Link: CVE-2026-119556

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses