{"id":"CVE-2026-102580","aliases":["BIT-moodle-2026-102580","EUVD-2026-89719","GHSA-xw58-hp5c-6wc2","UBUNTU-CVE-2026-102580"],"status":"published","title":"Moodle: arbitrary class instantiation via report builder audience classname","description":"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.","severity":{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00236,"percentile":0.14672,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-470"],"published":"2026-09-30T08:36:06Z","modified":"2026-10-28T02:31:04Z","fixes":[{"ecosystem":"Bitnami","package":"moodle","fixed_in":["4.5.13","5.0.9","5.1.6","5.2.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"moodle","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.5.13"},{"introduced":"5.0.0"},{"fixed":"5.0.9"},{"introduced":"5.1.0"},{"fixed":"5.1.6"},{"introduced":"5.2.0"},{"fixed":"5.2.2"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"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"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.3+dfsg-0ubuntu1","3.0.3+dfsg-0ubuntu1+esm1"]}],"products":[{"vendor":"moodle","product":"moodle"}],"references":[{"url":"http://git.moodle.org/gw?p=moodle.git\u0026a=search\u0026h=HEAD\u0026st=commit\u0026s=MDL-89078","tags":["Patch","fix","web","report"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-102580","tags":["vdb-entry","x_refsource_REDHAT","Third Party Advisory","advisory","report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2543635","tags":["issue-tracking","x_refsource_REDHAT","Issue Tracking","Third Party Advisory","advisory","report"]},{"url":"https://moodle.org/mod/forum/discuss.php?d=482498","tags":["Vendor Advisory","advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102580","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-xw58-hp5c-6wc2"},{"url":"https://git.moodle.org","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/102xxx/CVE-2026-102580.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-102580","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-102580","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-102580","title":"Moodle: arbitrary class instantiation via report builder audience classname","description":"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.","status":"published","published":"2026-09-30T08:36:06.234Z","modified":"2026-09-30T14:35:56.069Z","cvss":[{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-470"],"updated_at":"2026-11-02T13:38:54.394896Z"}],"euvd":[{"id":"EUVD-2026-89719","description":"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.","status":"published","published":"2026-09-30T08:36:06Z","modified":"2026-09-30T14:35:56Z","cvss":[{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T17:27:49.499669Z"}],"ghsa":[{"id":"GHSA-xw58-hp5c-6wc2","title":"A flaw was found in Moodle. An authenticated attacker can supply an improperly validated audience...","description":"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.","status":"published","published":"2026-09-30T09:31:11Z","modified":"2026-09-30T09:31:21Z","cvss":[{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-470"],"updated_at":"2026-11-02T15:12:35.884172Z"}],"nvd":[{"id":"CVE-2026-102580","description":"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.","status":"published","published":"2026-09-30T09:17:15.08Z","modified":"2026-10-01T14:36:39.63Z","cvss":[{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-470"],"updated_at":"2026-11-02T14:12:52.759595Z"}],"osv":[{"id":"CVE-2026-102580","title":"Moodle: arbitrary class instantiation via report builder audience classname","description":"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.","status":"published","published":"2026-09-30T08:36:06.234Z","modified":"2026-10-28T02:31:04.063607809Z","cvss":[{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-470"],"updated_at":"2026-11-02T15:44:53.83521Z"},{"id":"UBUNTU-CVE-2026-102580","description":"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.","status":"published","published":"2026-09-30T09:17:00Z","modified":"2026-10-02T22:30:12.352185688Z","cvss":[{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T16:55:58.519486Z"},{"id":"BIT-moodle-2026-102580","title":"Moodle: arbitrary class instantiation via report builder audience classname","description":"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.","status":"published","published":"2026-10-05T11:55:24.688Z","modified":"2026-10-05T14:30:06.975944388Z","updated_at":"2026-11-02T15:28:33.469426Z"}]}}