Medium severity · published Sep 30, 2026
CVE-2026-102579
Moodle: user profile information disclosure via grade web service
4.3
CVSS
0.2%
EPSS
No
On KEV
Description
A flaw was found in Moodle. An incorrect capability check in the grade web service allows an authenticated student to access profile information of other students enrolled in the same course that they should not have permission to view. This issue leads to unauthorized information disclosure.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 13% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Moodle · Moodle
before 4.5.13; 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-2026-102579
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-102579
git.moodle.org
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-89381
vdb-entry
https://access.redhat.com/security/cve/CVE-2026-102579
issue-tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2543633
moodle.org
https://moodle.org/mod/forum/discuss.php?d=482497
More from Moodle
10.0
CVE-2019-3809
A flaw was found in Moodle versions 3.1 to 3.1.15 and earlier unsupported versions
9.8
CVE-2025-67856
Moodle: moodle: privilege escalation via incomplete role checks in badge awarding
9.8
CVE-2025-26533
An SQL injection risk was identified in the module list filter within course search
9.8
CVE-2024-33999
The referrer URL used by MFA required additional sanitizing, rather than being used directly
9.8
CVE-2023-5550
In a shared hosting environment that has been misconfigured to allow access to other users' content, a Moodle user who also has direct access to the web server outside of the…