{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-102580", "assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5", "state": "PUBLISHED", "assignerShortName": "fedora", "dateReserved": "2026-09-29T14:03:38.493Z", "datePublished": "2026-09-30T08:36:06.234Z", "dateUpdated": "2026-09-30T08:36:06.234Z"}, "containers": {"cna": {"title": "Moodle: arbitrary class instantiation via report builder audience classname", "metrics": [{"other": {"content": {"value": "Low", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 2.2, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "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."}], "affected": [{"versions": [{"status": "affected", "version": "5.2.0", "lessThan": "5.2.2", "versionType": "semver"}, {"status": "affected", "version": "5.1.0", "lessThan": "5.1.6", "versionType": "semver"}, {"status": "affected", "version": "5.0.0", "lessThan": "5.0.9", "versionType": "semver"}, {"status": "affected", "version": "0", "lessThan": "4.5.13", "versionType": "semver"}], "packageName": "moodle", "collectionURL": "https://git.moodle.org", "defaultStatus": "unaffected"}], "references": [{"url": "http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-89078"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-102580", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2543635", "name": "RHBZ#2543635", "tags": ["issue-tracking", "x_refsource_REDHAT"]}, {"url": "https://moodle.org/mod/forum/discuss.php?d=482498"}], "datePublic": "2026-09-29T20:17:12.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-470", "description": "Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-470: Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')", "timeline": [{"lang": "en", "time": "2026-09-09T13:08:58.000Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-09-29T20:17:12.000Z", "value": "Made public."}], "credits": [{"lang": "en", "value": "Upstream acknowledges Paul Holden as the original reporter."}], "providerMetadata": {"orgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5", "shortName": "fedora", "dateUpdated": "2026-09-30T08:36:06.234Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

{}

{"affected": [{"affectedData": [{"collectionURL": "https://git.moodle.org", "defaultStatus": "unaffected", "packageName": "moodle", "versions": [{"lessThan": "5.2.2", "status": "affected", "version": "5.2.0", "versionType": "semver"}, {"lessThan": "5.1.6", "status": "affected", "version": "5.1.0", "versionType": "semver"}, {"lessThan": "5.0.9", "status": "affected", "version": "5.0.0", "versionType": "semver"}, {"lessThan": "4.5.13", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "patrick@puiterwijk.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-102580", "lastModified": "2026-09-30T09:17:15.080", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 2.2, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 0.7, "impactScore": 1.4, "source": "patrick@puiterwijk.org", "type": "Secondary"}]}, "published": "2026-09-30T09:17:15.080", "references": [{"source": "patrick@puiterwijk.org", "url": "http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-89078"}, {"source": "patrick@puiterwijk.org", "url": "https://access.redhat.com/security/cve/CVE-2026-102580"}, {"source": "patrick@puiterwijk.org", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2543635"}, {"source": "patrick@puiterwijk.org", "url": "https://moodle.org/mod/forum/discuss.php?d=482498"}], "sourceIdentifier": "patrick@puiterwijk.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-470"}], "source": "patrick@puiterwijk.org", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "moodle", "vendor": "moodle"}], "created": "2026-09-30T10:30:17.147660+00:00", "updated": "2026-09-30T10:30:17.147686+00:00", "vendors": ["moodle", "moodle$PRODUCT$moodle"]}