{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-102143","assignerOrgId":"9119a7d8-5eab-497f-8521-727c672e3725","state":"PUBLISHED","assignerShortName":"cisa-cg","dateReserved":"2026-09-28T17:39:13.564Z","datePublished":"2026-09-30T20:10:09.419Z","dateUpdated":"2026-10-01T15:28:05.636Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An unauthenticated attacker could cause a file with attacker-controlled content to be written to the appliance filesystem through an administrative upload handler that did not properly authenticate the request. This did not by itself result in code execution, which would require a separate vulnerability to place the file in an executable location."}],"affected":[{"vendor":"Kiteworks","product":"Email Protection Gateway","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"9.5.1","versionType":"custom"},{"version":"9.5.1","status":"unaffected"}]}],"problemTypes":[{"descriptions":[{"description":"CWE-306 Missing Authentication for Critical Function","lang":"en","type":"CWE","cweId":"CWE-306"}]},{"descriptions":[{"description":"CWE-434 Unrestricted Upload of File with Dangerous Type","lang":"en","type":"CWE","cweId":"CWE-434"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"NONE"}}],"title":"Kiteworks Email Protection Gateway Unrestricted Upload of File with Dangerous Type","references":[{"name":"url","url":"https://github.com/kiteworks/security-advisories/security/advisories/GHSA-3p9g-jh62-8f89"},{"name":"url","url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json","tags":["third-party-advisory"]}],"credits":[{"value":"Supr4s, https://yeswehack.com/hunters/supr4s","lang":"en"},{"value":"wlayzz, https://yeswehack.com/hunters/wlayzz","lang":"en"},{"value":"Icare, https://yeswehack.com/hunters/icare","lang":"en"},{"value":"truff, https://yeswehack.com/hunters/truff","lang":"en"}],"x_generator":{"engine":"VINCE-NT 1.15.0+build.145"},"datePublic":"2026-09-30T00:00:00.000Z","providerMetadata":{"orgId":"9119a7d8-5eab-497f-8521-727c672e3725","shortName":"cisa-cg","dateUpdated":"2026-09-30T20:10:09.419Z"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-102143","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-01T15:14:03.743686Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-01T15:28:05.636Z"}}]}}