CVE-2026-102149

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.

CVSS v3 9.4 CRITICAL

9.4^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:a:accellion:kiteworks:*:*:*:*:*:*:*:*

History

07 Oct 2026, 15:02

Type	Values Removed	Values Added
References	~~() https://github.com/kiteworks/security-advisories/security/advisories/GHSA-c9w5-4frw-7wqq -~~	() https://github.com/kiteworks/security-advisories/security/advisories/GHSA-c9w5-4frw-7wqq - Vendor Advisory
References	~~() https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json -~~	() https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json - Broken Link
First Time		Accellion Accellion kiteworks
CPE		cpe:2.3:a:accellion:kiteworks::::::::

30 Sep 2026, 21:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-30 21:17

Updated : 2026-10-07 15:02

NVD link : CVE-2026-102149

Mitre link : CVE-2026-102149

CVE.ORG link : CVE-2026-102149

JSON object : View

Products Affected

accellion

kiteworks

CWE

CWE-306

Missing Authentication for Critical Function

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