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TI-2026-85901 Aliases CVE-2026-123655GHSA-6fjj-67pc-89w4

Moodle H5P files lack access checks, exposing restricted content

Priority MEDIUM 40CWE-862Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

Moodle from 4.5.0 before 4.5.15, from 5.0.0 before 5.0.11, from 5.1.0 before 5.1.8 and from 5.2.0 before 5.2.4 has insufficient access control checks on H5P content files. An unauthenticated remote attacker can view restricted materials, including content stored in the system context and files belonging to hidden or unavailable course modules, which discloses protected content. The flaw is classified as missing authorization (CWE-862).

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

A flaw was found in Moodle. Insufficient access control checks on H5P content files allow unauthenticated remote attackers to view restricted materials, including content stored in the system context and files belonging to hidden or unavailable course modules. This issue results in unauthorized information disclosure of protected content.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00623 50th percentileScored 2026-11-07
Fix Fixed moodle: 4.5.15, 5.0.11, 5.1.8 +1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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
—moodle4.5.0 to before 4.5.15; 5.0.0 to before 5.0.11; 5.1.0 to before 5.1.8; 5.2.0 to before 5.2.44.5.15, 5.0.11, 5.1.8, 5.2.4Patch availableCNA
  • moodle Vendor— Affected 4.5.0 to before 4.5.15; 5.0.0 to before 5.0.11; 5.1.0 to before 5.1.8; 5.2.0 to before 5.2.4 Fixed in 4.5.15, 5.0.11, 5.1.8, 5.2.4 Patch available CNA

Remediation

Update Moodle to 4.5.15, 5.0.11, 5.1.8 or 5.2.4, depending on the installed branch.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

  • Fix · CNA moodle Fixed in 4.5.15, 5.0.11, 5.1.8, 5.2.4

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-11-06 Threatist record created from CVE-2026-123655
  2. 2026-11-06 Alias added: GHSA-6fjj-67pc-89w4
  3. 2026-11-06 Affected versions changed · Red Hat
  4. 2026-11-06 CVSS score added · Red Hat
  5. 2026-11-06 CISA SSVC decision points changed
  6. 2026-11-06 Priority changed: MEDIUM → LOW
  7. 2026-11-08 Priority changed: LOW → MEDIUM

References

Other 4

Sources

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