Medium severity · published Sep 30, 2026
CVE-2026-102584
Moodle: missing capability check allows unauthorised grade penalty recalculation
4.3
CVSS
0.2%
EPSS
No
On KEV
Description
A flaw was found in Moodle. Due to a missing capability check, a low-privileged authenticated user can trigger the recalculation of grade penalties without holding the required permissions. This issue allows unauthorized users to modify grade penalty records, potentially altering student assessment scores.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Moodle · Moodle
5.0.0 before 5.0.9; 5.1.0 before 5.1.6; 5.2.0 before 5.2.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-102584
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-102584
git.moodle.org
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-88585
vdb-entry
https://access.redhat.com/security/cve/CVE-2026-102584
issue-tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2543637
moodle.org
https://moodle.org/mod/forum/discuss.php?d=482502
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