CVE-2026-102149
Critical
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.
SeverityCritical
CVSS9.4
Exploit probability—
ProductAccellion Kiteworks
PublishedSep 30, 2026
First seenSep 30, 2026
Weakness typeCWE-306Missing authentication for critical function
How to fix
Update
- accellion kiteworks9.5.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| accellion kiteworks | v < 9.5.1 | 9.5.1 |
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