CVE-2026-9776

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{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "Unizon", "vendor": "ATEN", "versions": [{"status": "affected", "version": "2.7.262.002"}]}], "source": "zdi-disclosures@trendmicro.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:aten:unizon:*:*:*:*:*:*:*:*", "matchCriteriaId": "100AF252-A730-46A9-ADA3-A5DCF3C0C5EF", "versionEndExcluding": "2.7.264", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "ATEN Unizon writeFileToHttpServletResponse Directory Traversal Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of ATEN Unizon. Authentication is not required to exploit this vulnerability.\n\nThe specific flaw exists within the writeFileToHttpServletResponse method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose information in the context of SYSTEM. Was ZDI-CAN-28505."}, {"lang": "es", "value": "Vulnerabilidad de revelaci\u00f3n de informaci\u00f3n por salto de directorio en writeFileToHttpServletResponse de ATEN Unizon. Esta vulnerabilidad permite a atacantes remotos revelar informaci\u00f3n sensible en instalaciones afectadas de ATEN Unizon. La autenticaci\u00f3n no es necesaria para explotar esta vulnerabilidad.\n\nLa falla espec\u00edfica existe dentro del m\u00e9todo writeFileToHttpServletResponse. El problema se debe a la falta de validaci\u00f3n adecuada de una ruta proporcionada por el usuario antes de usarla en operaciones de archivo. Un atacante puede aprovechar esta vulnerabilidad para revelar informaci\u00f3n en el contexto de SYSTEM. Fue ZDI-CAN-28505."}], "id": "CVE-2026-9776", "lastModified": "2026-10-25T23:10:00.167", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-9776", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-25T12:52:19.994469Z", "version": "2.0.3"}}]}, "published": "2026-06-24T22:16:50.250", "references": [{"source": "zdi-disclosures@trendmicro.com", "tags": ["Vendor Advisory"], "url": "https://www.aten.com/global/en/supportcenter/info/security-advisory/29/"}, {"source": "zdi-disclosures@trendmicro.com", "tags": ["Third Party Advisory"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-26-380/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}]}

{}

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