A flaw was found in Moodle. When enrolling a user into a course while assigning them to a group, the application does not verify whether the… (CVE-2026-102585)
A vulnerability in Moodle allows an authenticated user with teacher privileges to enroll users into groups that do not belong to the course. This occurs because the application does not verify group membership during enrollment. The flaw could lead to unauthorized group assignments within courses.
AI Analysis
Technical Summary
The vulnerability in Moodle arises from improper verification when enrolling users into courses with group assignments. Specifically, the system fails to check if the selected group belongs to the course, enabling a teacher-level user to assign users to groups outside their authorized courses. This flaw is tracked as CVE-2026-102585 and is classified under CWE-842 (Improper Authorization).
Potential Impact
An authenticated user with teacher privileges can assign users to groups in courses they are not authorized to access. This could lead to unauthorized group membership changes, potentially impacting course management and access control. The CVSS score is 4.3 (medium severity), indicating limited impact primarily on integrity without confidentiality or availability effects.
Mitigation Recommendations
No patch or official fix information is currently available. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is released, restrict teacher privileges carefully and monitor group assignments for anomalies.
A flaw was found in Moodle. When enrolling a user into a course while assigning them to a group, the application does not verify whether the… (CVE-2026-102585)
Description
A vulnerability in Moodle allows an authenticated user with teacher privileges to enroll users into groups that do not belong to the course. This occurs because the application does not verify group membership during enrollment. The flaw could lead to unauthorized group assignments within courses.
CVSS v3.1
Score 4.3medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in Moodle arises from improper verification when enrolling users into courses with group assignments. Specifically, the system fails to check if the selected group belongs to the course, enabling a teacher-level user to assign users to groups outside their authorized courses. This flaw is tracked as CVE-2026-102585 and is classified under CWE-842 (Improper Authorization).
Potential Impact
An authenticated user with teacher privileges can assign users to groups in courses they are not authorized to access. This could lead to unauthorized group membership changes, potentially impacting course management and access control. The CVSS score is 4.3 (medium severity), indicating limited impact primarily on integrity without confidentiality or availability effects.
Mitigation Recommendations
No patch or official fix information is currently available. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is released, restrict teacher privileges carefully and monitor group assignments for anomalies.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-h69r-rprv-j965
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-102585"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6abd30862a4e24523d340212
Added to database: 09/30/2026, 15:53:42 UTC
Last enriched: 09/30/2026, 16:09:19 UTC
Last updated: 10/01/2026, 05:08:50 UTC
Views: 5
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