CVE-2026-102585

mediumpriority · track · 0EPSS 0.002 · 10 %ileDEUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.20% (10th) EPSS

CVSS 4.3 · medium

Is it mine?

8 products

Check your exposure

Who says so?

3 sources

cert_bund · nvd · osv

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Nsecondary · patrick@puiterwijk.orgexploitability 2.8 · impact 1.4

v3.14mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-842US

affected products (8)

Products and version ranges known to be affected.

Open Source Moodle <5.1.6all versionscert_bundDE
Open Source Moodle <5.2.2all versionscert_bundDE
Open Source Moodle< 5.1.6cert_bundDE
Open Source Moodle< 5.2.2cert_bundDE
moodle moodle5.1.0 → 5.1.6nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle5.2.0 → 5.2.2nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
Bitnami moodle5.1.0 → 5.1.6osvUSpkg:bitnami/moodle
Bitnami moodle5.2.0 → 5.2.2osvUSpkg:bitnami/moodle

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-3686Moodle: Mehrere SchwachstellenDeutsch2026-09-30csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Moodle ausnutzen, um Dateien zu manipulieren, Daten offenzulegen oder Cross-Site-Scripting-Angriffe durchzuführen.
BIT-moodle-2026-102585Moodle: group validation missing when enrolling user to course2026-10-05vendor · osvUS
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.

sources

Which sources assert this record, and when.

cert_bund nvd osv NVD CVE.org MITRE

published 2026-09-30modified 2026-10-01

references (4) nvd

External citations — patches, advisories, analysis.

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-88538Patch
https://access.redhat.com/security/cve/CVE-2026-102585Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2543639Issue TrackingThird Party Advisory
https://moodle.org/mod/forum/discuss.php?d=482503Vendor Advisory

scry

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