{"id":"CVE-2026-89176","state":"PUBLISHED","title":"Howyar｜WeenyGenius - Missing Authentication","description":"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.","publishedAt":"2026-09-11T07:34:56.286Z","updatedAt":"2026-09-11T15:41:48.128Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"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","source":"twcert"},"assigner":"twcert","products":["Howyar WeenyGenius"],"affected":[{"vendor":"Howyar","product":"WeenyGenius","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"12.2.031","versionType":"custom"}]}],"references":["https://www.twcert.org.tw/tw/cp-132-11201-658c0-1.html","https://www.twcert.org.tw/en/cp-139-11200-ffc3c-2.html"],"weaknesses":["CWE-306"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/89xxx/CVE-2026-89176.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89176","state":"PUBLISHED","datePublished":"2026-09-11T07:34:56.286Z","dateUpdated":"2026-09-11T15:41:48.128Z","assignerShortName":"twcert","assignerOrgId":"cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e","dateReserved":"2026-09-11T06:14:48.799Z"},"containers":{"cna":{"title":"Howyar｜WeenyGenius - Missing Authentication","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."}],"affected":[{"vendor":"Howyar","product":"WeenyGenius","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"12.2.031","versionType":"custom"}]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-306","lang":"en","description":"CWE-306 Missing Authentication for Critical Function","type":"CWE"}]}],"providerMetadata":{"shortName":"twcert","orgId":"cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e","dateUpdated":"2026-09-11T07:34:56.286Z"},"datePublic":"2026-09-11T07:34:00.000Z","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":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-11T15:41:48.128Z"}}]}}}