{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-26045", "assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5", "state": "PUBLISHED", "assignerShortName": "fedora", "dateReserved": "2026-02-10T13:30:03.985Z", "datePublished": "2026-02-21T05:40:05.763Z", "dateUpdated": "2026-02-21T05:40:05.763Z"}, "containers": {"cna": {"title": "Moodle: moodle: improper validation in file restore functionality leading to remote code execution", "metrics": [{"other": {"content": {"value": "Important", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was identified in Moodle\u2019s backup restore functionality where specially crafted backup files were not properly validated during processing. If a malicious backup file is restored, it could lead to unintended execution of server-side code. Since restore capabilities are typically available to privileged users, exploitation requires authenticated access. Successful exploitation could result in full compromise of the Moodle server."}], "affected": [{"versions": [{"status": "affected", "version": "0", "lessThan": "4.5.9", "versionType": "semver"}, {"status": "affected", "version": "5.0.0", "lessThan": "5.0.5", "versionType": "semver"}, {"status": "affected", "version": "5.1.0", "lessThan": "5.1.2", "versionType": "semver"}], "packageName": "moodle", "collectionURL": "https://github.com/moodle/moodle", "defaultStatus": "unaffected"}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-26045", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2440901", "name": "RHBZ#2440901", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-02-19T00:00:00.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-94", "description": "Improper Control of Generation of Code ('Code Injection')", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-94: Improper Control of Generation of Code ('Code Injection')", "timeline": [{"lang": "en", "time": "2026-02-19T08:41:14.981Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-02-19T00:00:00.000Z", "value": "Made public."}], "credits": [{"lang": "en", "value": "Red Hat would like to thank Dinhnhi (VNPT-VCI) for reporting this issue."}], "providerMetadata": {"orgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5", "shortName": "fedora", "dateUpdated": "2026-02-21T05:40:05.763Z"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was identified in Moodle\u2019s backup restore functionality where specially crafted backup files were not properly validated during processing. If a malicious backup file is restored, it could lead to unintended execution of server-side code. Since restore capabilities are typically available to privileged users, exploitation requires authenticated access. Successful exploitation could result in full compromise of the Moodle server."}], "id": "CVE-2026-26045", "lastModified": "2026-02-21T06:16:58.867", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "patrick@puiterwijk.org", "type": "Secondary"}]}, "published": "2026-02-21T06:16:58.867", "references": [{"source": "patrick@puiterwijk.org", "url": "https://access.redhat.com/security/cve/CVE-2026-26045"}, {"source": "patrick@puiterwijk.org", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2440901"}], "sourceIdentifier": "patrick@puiterwijk.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "patrick@puiterwijk.org", "type": "Secondary"}]}

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