{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89176","assignerOrgId":"cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e","state":"PUBLISHED","assignerShortName":"twcert","dateReserved":"2026-09-11T06:14:48.799Z","datePublished":"2026-09-11T07:34:56.286Z","dateUpdated":"2026-09-11T15:41:48.128Z"},"containers":{"cna":{"providerMetadata":{"orgId":"cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e","shortName":"twcert","dateUpdated":"2026-09-11T07:34:56.286Z"},"title":"Howyar｜WeenyGenius - Missing Authentication","datePublic":"2026-09-11T07:34:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-306","description":"CWE-306 Missing Authentication for Critical Function","type":"CWE"}]}],"affected":[{"vendor":"Howyar","product":"WeenyGenius","versions":[{"status":"affected","version":"0","lessThanOrEqual":"12.2.031","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"WeenyGenius, a computer lab management system developed by Howyar Technologies, has a Missing Authentication vulnerability. Unauthenticated attackers on the same network can easily spoof student or teacher endpoints. Impersonating a student can disrupt normal classroom operations, whereas impersonating a teacher can induce student computers to initiate connections, thereby gaining remote control over the student endpoints.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>WeenyGenius, a computer lab management system developed by Howyar Technologies, has a Missing Authentication vulnerability. Unauthenticated attackers on the same network can easily spoof student or teacher endpoints. Impersonating a student can disrupt normal classroom operations, whereas impersonating a teacher can induce student computers to initiate connections, thereby gaining remote control over the student endpoints.</p>"}]}],"references":[{"url":"https://www.twcert.org.tw/tw/cp-132-11201-658c0-1.html","tags":["third-party-advisory"]},{"url":"https://www.twcert.org.tw/en/cp-139-11200-ffc3c-2.html","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","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":8.7,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":8.8,"vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}}],"solutions":[{"lang":"en","value":"Update to version 12.3.033 or later.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Update to version 12.3.033 or later.</p>"}]}],"source":{"advisory":"TVN-202609005","discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-11T15:40:19.283969Z","id":"CVE-2026-89176","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-11T15:41:48.128Z"}}]}}