CVE-2026-102585

Published: Sep 30, 2026Modified: Oct 1, 2026

4.3

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Exploitability: 2.8 / Impact: 1.4

Source: patrick@puiterwijk.org (Secondary)

Description

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 selected group actually belongs to that course. An authenticated user with teacher privileges could exploit this flaw to add users to groups within courses they do not have authorization to access.

Affected (2)

Products: Moodle: Moodle

1 product

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Moodle Moodle	5.1.0 ≤ version < 5.1.6
Moodle Moodle	5.2.0 ≤ version < 5.2.2

Related CWEs

Placement of User into Incorrect Group

The product or the administrator places a user into an incorrect group.

References (4)

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-88538

Source: patrick@puiterwijk.org

Patch

https://access.redhat.com/security/cve/CVE-2026-102585

Source: patrick@puiterwijk.org

Third Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=2543639

Source: patrick@puiterwijk.org

Issue TrackingThird Party Advisory

https://moodle.org/mod/forum/discuss.php?d=482503

Source: patrick@puiterwijk.org

Vendor Advisory

Timeline

No history available yet.