Medium

UBUNTU-CVE-2026-102580

Type: advisorySource: OSV1 source record

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.

Announced 30 Sept 2026Group revision 1

Original source ↗

UBUNTU-CVE-2026-102580

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:UBUNTU-CVE-2026-102580

moodle

Source reference: /affected/0/package/name

Affected versions: 2.7.9+dfsg-1
Source reference: /affected/0/versions
2.7.10+dfsg-1
Source reference: /affected/0/versions
2.7.11+dfsg-1
Source reference: /affected/0/versions
2.7.11+dfsg-2
Source reference: /affected/0/versions
2.7.12+dfsg-1
Source reference: /affected/0/versions
3.0.3+dfsg-0ubuntu1
Source reference: /affected/0/versions
3.0.3+dfsg-0ubuntu1+esm1
Source reference: /affected/0/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

moodle

Source reference: /affected/1/package/name

Affected versions: 3.0.3+dfsg-0ubuntu1
Source reference: /affected/1/versions
3.0.3+dfsg-0ubuntu1+esm1
Source reference: /affected/1/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "moodle",
      "purl": "pkg:deb/ubuntu/moodle?arch=source&distro=esm-apps-legacy%2Fxenial",
      "ecosystem": "Ubuntu:Pro:16.04:LTS"
    },
    "versions": [
      "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",
      "3.0.3+dfsg-0ubuntu1",
      "3.0.3+dfsg-0ubuntu1+esm1"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-102580.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "moodle",
          "binary_version": "3.0.3+dfsg-0ubuntu1+esm1"
        }
      ]
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "moodle",
      "purl": "pkg:deb/ubuntu/moodle?arch=source&distro=esm-apps%2Fbionic",
      "ecosystem": "Ubuntu:Pro:18.04:LTS"
    },
    "versions": [
      "3.0.3+dfsg-0ubuntu1",
      "3.0.3+dfsg-0ubuntu1+esm1"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-102580.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "moodle",
          "binary_version": "3.0.3+dfsg-0ubuntu1+esm1"
        }
      ]
    }
  }
]

Related CVEs: CVE-2026-102580
Source reference: /upstream

Publisher severity

medium

Source reference: /severity/1/score

Linked CVE context

These ratings describe the referenced vulnerabilities and products. They are not a severity rating for every application using this dependency.

CVE-2026-102580 · Low

Event: #71360 · Revision 1
Added to Heist Feed: Sun, 25 Oct 2026 22:46:10 GMT
Publisher date: Wed, 30 Sep 2026 09:17:00 GMT

Read the original announcement

Revision history

25 Oct 2026UBUNTU-CVE-2026-102580 · Revision 1Source updated