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.

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Fixes

Solution

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Workaround

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History

Thu, 01 Oct 2026 15:45:00 +0000

Type Values Removed Values Added
First Time appeared Kiteworks
Kiteworks kiteworks Email Protection Gateway
Vendors & Products Kiteworks
Kiteworks kiteworks Email Protection Gateway

Thu, 01 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 30 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
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.
Title Kiteworks Email Protection Gateway Improper Access Control
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 9.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: cisa-cg

Published:

Updated: 2026-10-01T13:37:07.938Z

Reserved: 2026-09-28T17:39:13.564Z

Link: CVE-2026-102149

cve-icon Vulnrichment

Updated: 2026-10-01T13:32:23.765Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-30T21:17:03.760

Modified: 2026-10-01T14:17:19.140

Link: CVE-2026-102149

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-01T15:30:08Z

Weaknesses