UBUNTU-CVE-2026-123655

Source
https://ubuntu.com/security/CVE-2026-123655
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-123655.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-123655
Upstream
Published
2026-11-09T00:00:00Z
Modified
2026-11-10T02:50:22Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:Pro:16.04:LTS / moodle

Package

Name
moodle
Purl
pkg:deb/ubuntu/moodle?arch=source&distro=esm-apps-legacy%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.7.9+dfsg-1
2.7.10+dfsg-1
2.7.11+dfsg-1
2.7.11+dfsg-2
2.7.12+dfsg-1
3.*
3.0.3+dfsg-0ubuntu1
3.0.3+dfsg-0ubuntu1+esm1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "moodle",
            "binary_version": "3.0.3+dfsg-0ubuntu1+esm1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-123655.json"

Ubuntu:Pro:18.04:LTS / moodle

Package

Name
moodle
Purl
pkg:deb/ubuntu/moodle?arch=source&distro=esm-apps%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.0.3+dfsg-0ubuntu1
3.0.3+dfsg-0ubuntu1+esm1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "moodle",
            "binary_version": "3.0.3+dfsg-0ubuntu1+esm1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-123655.json"