CVE-2026-89179

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-89179", "assignerOrgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e", "state": "PUBLISHED", "assignerShortName": "twcert", "dateReserved": "2026-09-11T06:14:52.086Z", "datePublished": "2026-09-11T07:37:21.674Z", "dateUpdated": "2026-09-11T15:30:14.795Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e", "shortName": "twcert", "dateUpdated": "2026-09-11T07:37:21.674Z"}, "title": "Howyar\uff5cWeenyGenius - Missing Support for Integrity Check", "datePublic": "2026-09-11T07:36:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-353", "description": "CWE-353 Missing Support for Integrity Check", "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 by Howyar Technologies, has a Missing Support for Integrity Check vulnerability. Unauthenticated attackers on the same network can intercept a student's connection packet and replay it, thereby forging the appearance that the student remains connected.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>WeenyGenius, a computer lab management system by Howyar Technologies, has a Missing Support for Integrity Check vulnerability. Unauthenticated attackers on the same network can intercept a student's connection packet and replay it, thereby forging the appearance that the student remains connected.</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": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "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": "MEDIUM", "baseScore": 5.3, "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/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": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseSeverity": "MEDIUM", "baseScore": 4.3, "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"}}], "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": "2026-09-11T15:29:36.423866Z", "id": "CVE-2026-89179", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-11T15:30:14.795Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-89179", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-11T15:29:36.423866Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-11T15:29:44.269Z"}}], "cna": {"title": "Howyar\uff5cWeenyGenius - Missing Support for Integrity Check", "source": {"advisory": "TVN-202609005", "discovery": "EXTERNAL"}, "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.3, "Automatable": "NOT_DEFINED", "attackVector": "ADJACENT", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}, {"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Howyar", "product": "WeenyGenius", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "12.2.031"}], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Update to version 12.3.033 or later.", "supportingMedia": [{"type": "text/html", "value": "<p>Update to version 12.3.033 or later.</p>", "base64": false}]}], "datePublic": "2026-09-11T07:36:00.000Z", "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"]}], "x_generator": {"engine": "Vulnogram 1.0.5"}, "descriptions": [{"lang": "en", "value": "WeenyGenius, a computer lab management system by Howyar Technologies, has a Missing Support for Integrity Check vulnerability. Unauthenticated attackers on the same network can intercept a student's connection packet and replay it, thereby forging the appearance that the student remains connected.", "supportingMedia": [{"type": "text/html", "value": "<p>WeenyGenius, a computer lab management system by Howyar Technologies, has a Missing Support for Integrity Check vulnerability. Unauthenticated attackers on the same network can intercept a student's connection packet and replay it, thereby forging the appearance that the student remains connected.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-353", "description": "CWE-353 Missing Support for Integrity Check"}]}], "providerMetadata": {"orgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e", "shortName": "twcert", "dateUpdated": "2026-09-11T07:37:21.674Z"}}}, "cveMetadata": {"cveId": "CVE-2026-89179", "state": "PUBLISHED", "dateUpdated": "2026-09-11T15:30:14.795Z", "dateReserved": "2026-09-11T06:14:52.086Z", "assignerOrgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e", "datePublished": "2026-09-11T07:37:21.674Z", "assignerShortName": "twcert"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "WeenyGenius", "vendor": "Howyar", "versions": [{"lessThanOrEqual": "12.2.031", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "twcert@cert.org.tw"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "WeenyGenius, a computer lab management system by Howyar Technologies, has a Missing Support for Integrity Check vulnerability. Unauthenticated attackers on the same network can intercept a student's connection packet and replay it, thereby forging the appearance that the student remains connected."}], "id": "CVE-2026-89179", "lastModified": "2026-09-11T16:17:50.437", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "twcert@cert.org.tw", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "twcert@cert.org.tw", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-89179", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-11T15:29:36.423866Z", "version": "2.0.3"}}]}, "published": "2026-09-11T08:16:49.080", "references": [{"source": "twcert@cert.org.tw", "url": "https://www.twcert.org.tw/en/cp-139-11200-ffc3c-2.html"}, {"source": "twcert@cert.org.tw", "url": "https://www.twcert.org.tw/tw/cp-132-11201-658c0-1.html"}], "sourceIdentifier": "twcert@cert.org.tw", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-353"}], "source": "twcert@cert.org.tw", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,12.2.031]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "WeenyGenius", "source": "cna", "vendor": "Howyar"}, "product": "weenygenius", "vendor": "howyar"}], "created": "2026-09-11T08:30:11.703608+00:00", "updated": "2026-09-13T19:56:38.321033+00:00", "vendors": ["howyar", "howyar$PRODUCT$weenygenius"]}