{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-102149", "assignerOrgId": "9119a7d8-5eab-497f-8521-727c672e3725", "state": "PUBLISHED", "assignerShortName": "cisa-cg", "dateReserved": "2026-09-28T17:39:13.564Z", "datePublished": "2026-09-30T20:09:21.510Z", "dateUpdated": "2026-10-01T13:37:07.938Z" }, "containers": { "cna": { "descriptions": [ { "lang": "en", "value": "Kiteworks Email Protection Gateway did not sufficiently restrict which account a certificate could be assigned to. This could allow an attacker to associate a certificate with another user's account, affecting the confidentiality and integrity of that account's encrypted mail and, where certificate-based login is enabled, potentially permitting unauthorized access to the account." } ], "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" } ] } ], "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 9.4, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH" } } ], "title": "Kiteworks Email Protection Gateway Improper Access Control", "references": [ { "name": "url", "url": "https://github.com/kiteworks/security-advisories/security/advisories/GHSA-c9w5-4frw-7wqq" }, { "name": "url", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json", "tags": [ "third-party-advisory" ] } ], "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": "2026-09-30T20:54:02.668Z" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2026-102149", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "version": "2.0.3", "timestamp": "2026-10-01T13:25:55.510552Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-01T13:37:07.938Z" } } ] } }