What is CVE-2026-102585?

CVE-2026-102585 is a medium-severity vulnerability, classified under CWE-842. CVSS score: 4.3/10. Published 2026-09-30.

How severe is CVE-2026-102585?

Medium severity. CVSS v3 base score is 4.3 out of 10.

CVE-2026-102585

CVE-2026-102585

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.

Published 2026-09-30 · last modified 2026-09-30.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Weakness classification (CWE)

CWE-842

References

git.moodle.org/gw
access.redhat.com/security/cve/CVE-2026-102585 (vdb-entry)
bugzilla.redhat.com/show_bug.cgi (issue-tracking)
moodle.org/mod/forum/discuss.php

Frequently asked questions

What is CVE-2026-102585?: CVE-2026-102585 is a medium-severity vulnerability, classified under CWE-842. CVSS score: 4.3/10. Published 2026-09-30.
How severe is CVE-2026-102585?: Medium severity. CVSS v3 base score is 4.3 out of 10.