{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-77144", "assignerOrgId": "f4fb688c-4412-4426-b4b8-421ecf27b14a", "state": "PUBLISHED", "assignerShortName": "TYPO3", "dateReserved": "2026-08-20T13:10:15.962Z", "datePublished": "2026-08-25T09:00:33.297Z", "dateUpdated": "2026-08-25T09:00:33.297Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f4fb688c-4412-4426-b4b8-421ecf27b14a", "shortName": "TYPO3", "dateUpdated": "2026-08-25T09:00:33.297Z"}, "title": "Broken Access Control in extension \"Events 2\" (events2)", "datePublic": "2026-08-25T09:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-915", "description": "CWE-915 Improperly Controlled Modification of Dynamically-Determined Object Attributes", "type": "CWE"}]}], "affected": [{"vendor": "TYPO3", "product": "Extension \"Events 2\"", "collectionURL": "https://packagist.org/", "packageName": "jweiland/events2", "versions": [{"status": "affected", "version": "10.0.0", "lessThan": "10.2.12", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The frontend management plugin attributed a newly created event to the submitting user's organizer record only when the request supplied no organizer of its own. The accompanying permission check confirmed only that the submitting user held any organizer role. A user with frontend event management access could therefore create an event that is attributed to another organizer.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "The frontend management plugin attributed a newly created event to the submitting user's organizer record only when the request supplied no organizer of its own. The accompanying permission check confirmed only that the submitting user held any organizer role. A user with frontend event management access could therefore create an event that is attributed to another organizer."}]}], "references": [{"url": "https://typo3.org/security/advisory/typo3-ext-sa-2026-026", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "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": 7.1, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N"}}], "credits": [{"lang": "en", "value": "Seungbin Yang", "type": "reporter"}, {"lang": "en", "value": "Hoja Mustaffa Abdul Latheef", "type": "remediation developer"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.0"}}}}

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