{"id":"CVE-2026-102149","published":"2026-09-30T21:17:03.760","lastModified":"2026-10-01T14:17:19.140","description":"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.","cvssScore":9.4,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","cwes":["CWE-306"],"vendors":[],"products":[],"references":[{"url":"https://github.com/kiteworks/security-advisories/security/advisories/GHSA-c9w5-4frw-7wqq","tags":[]},{"url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json","tags":[]}],"exploitRefs":[{"url":"https://github.com/kiteworks/security-advisories/security/advisories/GHSA-c9w5-4frw-7wqq","tags":[]}],"hasPoc":true,"ai":{"summary":"The flaw in Kiteworks Email Protection Gateway allows an attacker to associate a certificate with another user's account, compromising the confidentiality and integrity of the account's encrypted mail and potentially enabling unauthorized access.","exploitability":"Exploitation requires access to the certificate management interface and knowledge of the target account, making it moderately difficult.","blast_radius":"If exploited, the impact could be severe, affecting the confidentiality and integrity of the targeted user's email communications and potentially granting unauthorized access to their account.","remediation":"Disable certificate management functionality until a patch is available or upgrade to the latest version of Kiteworks Email Protection Gateway.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["auth-bypass","confidentiality","integrity"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-10-02T08:46:07.086Z"}}