{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-85400", "assignerOrgId": "f4fb688c-4412-4426-b4b8-421ecf27b14a", "state": "PUBLISHED", "assignerShortName": "TYPO3", "dateReserved": "2026-09-03T18:20:16.551Z", "datePublished": "2026-09-08T09:18:40.983Z", "dateUpdated": "2026-09-08T09:18:40.983Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f4fb688c-4412-4426-b4b8-421ecf27b14a", "shortName": "TYPO3", "dateUpdated": "2026-09-08T09:18:40.983Z"}, "title": "TYPO3 CMS - Missing Authorization in lowlevel commands", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-862", "description": "CWE-862 Missing Authorization", "type": "CWE"}, {"lang": "en", "cweId": "CWE-266", "description": "CWE-266 Incorrect privilege assignment", "type": "CWE"}]}], "affected": [{"vendor": "TYPO3", "product": "TYPO3 CMS", "collectionURL": "https://packagist.org", "packageName": "typo3/cms-lowlevel", "repo": "https://github.com/TYPO3/typo3", "modules": ["System Configuration"], "versions": [{"status": "affected", "version": "14.2.0", "lessThan": "14.3.7", "versionType": "semver"}], "defaultStatus": "unaffected"}], "cpeApplicability": [{"operator": "OR", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*", "versionStartIncluding": "14.2.0", "versionEndExcluding": "14.3.7"}]}]}], "descriptions": [{"lang": "en", "value": "Backend administrators without system maintainer privileges were able to schedule any of the configuration:read, configuration:set, and configuration:show commands. This allowed them to modify arbitrary system configuration, which is normally limited to system maintainers. As a consequence, this allowed them, for example, to gain system maintainer privileges or cause a denial of service. Exploiting this vulnerability requires an administrator-level backend user account.\u00a0This issue affects TYPO3 CMS versions 14.2.0-14.3.6.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Backend administrators without system maintainer privileges were able to schedule any of the <i>configuration:read</i>, <i>configuration:set</i>, and <i>configuration:show</i> commands. This allowed them to modify arbitrary system configuration, which is normally limited to system maintainers. As a consequence, this allowed them, for example, to gain system maintainer privileges or cause a denial of service. Exploiting this vulnerability requires an administrator-level backend user account.&nbsp;<span>This issue affects TYPO3 CMS versions 14.2.0-14.3.6.</span>"}]}], "references": [{"url": "https://news.typo3.com/security/advisory/typo3-core-sa-2026-023", "tags": ["vendor-advisory"]}, {"url": "https://github.com/TYPO3/typo3/commit/b8abe36978c63a0625aee70df078895216e7ee27", "name": "Git commit of main branch", "tags": ["patch"]}, {"url": "https://github.com/TYPO3/typo3/commit/e15da7ba0218532240578b471152f76c13cb4154", "name": "Git commit of 14.3 branch", "tags": ["patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "credits": [{"lang": "en", "value": "Tharsanan Kurukulasingam", "type": "reporter"}, {"lang": "en", "value": "Elias H\u00e4u\u00dfler", "type": "remediation developer"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.1"}}}}

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