CriticalCritical vulnerability
CVE-2026-102149 (CVSS 9.4)
NVD · officialPublished Sep 30, 2026Risk 50/100
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.
Technical details
CVSS
9.4
AV:NetworkAC:LowPR:NoneUI:NoneC:HighI:HighA:Low
Evidence and sources
This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.
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