All vulnerabilities
CVE-2026-102579

Moodle: user profile information disclosure via grade web service

Unknown productApplications & CMS
CVSS
4.3Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.23%Chance of exploitation activity in the next 30 days, higher than 12% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in5.2.2Also 5.1.6, 5.0.9 and 1 moreCVE List
Published30 Sep 2026Updated 30 Sep 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

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.

Text from CVE List

Affected versions 4

  • Productaffected: 5.2.0 before 5.2.2CVE List
  • Productaffected: 5.1.0 before 5.1.6CVE List
  • Productaffected: 5.0.0 before 5.0.9CVE List
  • Productaffected: all versions before 4.5.13CVE List

References 3