CVE-2026-102149

critical · 9.4

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.

9.4

CVSS

0.3%

EPSS (exploit prob.)

24th

EPSS percentile

2026-09-30

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

Weaknesses

CWE-306

References

https://github.com/kiteworks/security-advisories/security/advisories/GHSA-c9w5-4frw-7wqq
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-102149