{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-80235","assignerOrgId":"cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e","state":"PUBLISHED","assignerShortName":"twcert","dateReserved":"2026-08-26T05:58:51.131Z","datePublished":"2026-08-26T08:26:12.960Z","dateUpdated":"2026-08-26T13:57:37.398Z"},"containers":{"cna":{"providerMetadata":{"orgId":"cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e","shortName":"twcert","dateUpdated":"2026-08-26T08:26:12.960Z"},"title":"Thinking Software Technology｜EFence - Arbitrary File Upload","datePublic":"2026-08-26T08:25:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-434","description":"CWE-434 Unrestricted Upload of File with Dangerous Type","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-650","descriptions":[{"lang":"en","value":"CAPEC-650 Upload a Web Shell to a Web Server"}]}],"affected":[{"vendor":"Thinking Software Technology","product":"EFence","versions":[{"status":"affected","version":"0","lessThanOrEqual":"1.2.66 DB Ver:56","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"EFence developed by Thinking Software Technology has an Arbitrary File Upload vulnerability. Unauthenticated remote attackers can upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>EFence developed by Thinking Software Technology has an Arbitrary File Upload vulnerability. Unauthenticated remote attackers can upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.</p>"}]}],"references":[{"url":"https://www.twcert.org.tw/tw/cp-132-11133-e0167-1.html","tags":["third-party-advisory"]},{"url":"https://www.twcert.org.tw/en/cp-139-11137-c6e5f-2.html","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"CRITICAL","baseScore":9.8,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","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":"CRITICAL","baseScore":9.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}],"solutions":[{"lang":"en","value":"Please update to version 1.2.67 DB Ver:57 or later","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Please update to version 1.2.67 DB Ver:57 or later</p>"}]}],"source":{"advisory":"TVN-202608010","discovery":"EXTERNAL"},"x_generator":{"engine":"TWCERT TVN Workbench"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-26T13:57:30.358162Z","id":"CVE-2026-80235","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"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":"2026-08-26T13:57:37.398Z"}}]}}