What’s Vulnerable › Vulnerabilities

CVE-2026-102587: Moodle: user list filters bypass profile field visibility

• Severity: low (CVSS 2.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-30 · updated 2026-10-01
• Weakness: CWE-204

Description

A flaw was found in Moodle. User list filters do not properly enforce visibility restrictions on user profile fields. An authorized user with manager privileges can filter user lists using profile attributes they are not permitted to view directly, resulting in unauthorized information disclosure by inferring hidden user data.

Affected products

• Moodle: before 4.5.13; from 5.0.0 before 5.0.9; from 5.1.0 before 5.1.6; from 5.2.0 before 5.2.2 — fixed in 4.5.13, 5.0.9, 5.1.6, 5.2.2

How to fix

Upgrade to a fixed version: Moodle 4.5.13, 5.0.9, 5.1.6, 5.2.2. Check the vendor advisory for mitigations.

References

• http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-87518
• https://access.redhat.com/security/cve/CVE-2026-102587
• https://bugzilla.redhat.com/show_bug.cgi?id=2543642
• https://moodle.org/mod/forum/discuss.php?d=482506

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