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TI-2026-65434 Aliases CVE-2026-102580GHSA-xw58-hp5c-6wc2

Moodle: arbitrary class instantiation via report builder audience classname

Priority LOW 20CWE-470Published · 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 · NVD. Fix status from CNA.

Summary

A flaw was found in Moodle. An authenticated attacker can supply an improperly validated audience class name to the Report Builder component, allowing arbitrary class instantiation. This vulnerability enables the unauthorized creation of internal program objects, which may result in unexpected application behavior.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00236 14th percentileScored 2026-11-07
Fix Fixed moodle: 5.2.2, 5.1.6, 5.0.9 +1

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 5.1.6; 5.0.0 to before 5.0.9; before 4.5.135.2.2, 5.1.6, 5.0.9, 4.5.13Patch availableCNA
  • moodle Vendor— Affected 5.2.0 to before 5.2.2; 5.1.0 to before 5.1.6; 5.0.0 to before 5.0.9; before 4.5.13 Fixed in 5.2.2, 5.1.6, 5.0.9, 4.5.13 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*before 4.5.13; 5.0.0 to before 5.0.9; 5.1.0 to before 5.1.6; 5.2.0 to before 5.2.2VulnerableMoodle
  • cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* Versions before 4.5.13; 5.0.0 to before 5.0.9; 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, 5.0.9, 4.5.13

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-2026-102580
  2. 2026-10-03 Alias added: GHSA-xw58-hp5c-6wc2

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