{"id":"CVE-2026-102580","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-102580","generatedAt":"2026-10-28T03:39:37.668Z","title":"An authenticated attacker can supply an improperly validated audience class name to the Report Builder component, allowing arbitrary class instantiation.","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.","published":"2026-09-30T09:17:15.000Z","lastModified":"2026-10-01T14:36:40.000Z","status":"Analyzed","sourceIdentifier":"patrick@puiterwijk.org","cvss":{"version":"3.1","score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"},"cwe":["CWE-470"],"affected":["moodle/moodle"],"epss":{"score":0.00236,"percentile":0.14456,"date":"2026-10-27","history":[{"date":"2026-09-30","score":0.00233,"percentile":0.12827}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.24%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-01T15:00:06.000Z","detail":{"from":"2.2","score":"4.3","severity":"MEDIUM","fromSeverity":"LOW"},"summary":"Now scored CVSS 4.3 MEDIUM (was 2.2)."},{"kind":"new","label":"New CVE","at":"2026-09-30T09:17:15.000Z","detail":{"score":"2.2","severity":"LOW","publishedAt":"2026-09-30T09:17:15.080Z"},"summary":"New CVE, medium severity (CVSS 4.3)."}],"references":[{"url":"http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-89078","tags":["Patch"],"source":"patrick@puiterwijk.org"},{"url":"https://access.redhat.com/security/cve/CVE-2026-102580","tags":["Third Party Advisory"],"source":"patrick@puiterwijk.org"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2543635","tags":["Issue Tracking","Third Party Advisory"],"source":"patrick@puiterwijk.org"},{"url":"https://moodle.org/mod/forum/discuss.php?d=482498","tags":["Vendor Advisory"],"source":"patrick@puiterwijk.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-102580","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}