CVE-2026-102585
mediumA flaw was found in Moodle.
Vendor / product: Moodle — moodle
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.
CVSS
4.3
4.3 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Severity source: NVD CVSS v3.1 (patrick@puiterwijk.org)
Timeline (UTC)
Published: 2026-09-30 09:17
Modified: 2026-10-01 14:47
NVD status: Analyzed
Last synced 3 days ago
Verified against the source API 2026-10-27 06:56 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
moodle / moodle ≥5.1.0 <5.1.6, ≥5.2.0 <5.2.2
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://moodle.org/mod/forum/discuss.php?d=482503
Patch / mitigation: http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-88538
References
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-88538 patrick@puiterwijk.org
- https://access.redhat.com/security/cve/CVE-2026-102585 patrick@puiterwijk.org
- https://bugzilla.redhat.com/show_bug.cgi?id=2543639 patrick@puiterwijk.org
- https://moodle.org/mod/forum/discuss.php?d=482503 patrick@puiterwijk.org
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:56 UTC · record ↗