CVE-2026-102108

An authenticated administrator of Kiteworks Email Protection Gateway could submit a crafted serialized object to a cluster management interface that was deserialized without sufficient validation, potentially allowing arbitrary code execution in the context of the gateway service account. Exploitation requires an administrator account holding a specific queue-management privilege.

Score

CVSS 3.1 7.2 High

Status

Analyzed - 9119a7d8-5eab-497f-8521-727c672e3725

Published

2026-09-30

Last modified

2026-10-08

Weaknesses

CWE-502

Affected products

• Kiteworks (Accellion)
• Email Protection Gateway (Kiteworks)

References

• https://github.com/kiteworks/security-advisories/security/advisories/GHSA-837h-99j2-hxjr
• https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json