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TI-2026-65439 Aliases CVE-2026-102585GHSA-h69r-rprv-j965

Moodle: group validation missing when enrolling user to course

Priority LOW 19CWE-842Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00201 9th percentileScored 2026-11-07
Fix Fixed moodle: 5.2.2, 5.1.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—moodle5.2.0 to before 5.2.2; 5.1.0 to before 5.1.65.2.2, 5.1.6Patch availableCNA
  • moodle Vendor— Affected 5.2.0 to before 5.2.2; 5.1.0 to before 5.1.6 Fixed in 5.2.2, 5.1.6 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*5.1.0 to before 5.1.6; 5.2.0 to before 5.2.2VulnerableMoodle
  • cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* Versions 5.1.0 to before 5.1.6; 5.2.0 to before 5.2.2 Vulnerable ·Moodle

Remediation

  • Fix · CNA moodle Fixed in 5.2.2, 5.1.6

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-102585
  2. 2026-10-03 Alias added: GHSA-h69r-rprv-j965

References

Patch 1

Advisory 3

  • TI-2024-22468 moodle: unsafe direct use of $_SERVER['HTTP_REFERER'] in admin/tool/mfa/index.php CVSS 3.1CRITICAL 9.8
  • TI-2021-14741 In Moodle, an SQL injection risk was identified in the library fetching a user's recent courses. CVSS 3.1CRITICAL 9.8
  • TI-2024-29071 Moodle: remote code execution via calculated question types CVSS 3.1HIGH 8.1
  • TI-2016-06653 Moodle 3.1.2 allows remote attackers to obtain sensitive information via unspecified… CVSS 3.1HIGH 7.5
  • TI-2022-00259 SQL injection in moodle CVSS 3.1CRITICAL 9.8
  • TI-2022-16116 Path traversal in Moodle CVSS 3.1HIGH 7.5
See all 636 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences