CVE-2026-102108 Kiteworks Email Protection Gateway - Remote Code Execution

Kiteworks Email Protection Gateway contains an insecure deserialization vulnerability caused by insufficient validation of serialized objects in the cluster management interface, letting authenticated administrators execute arbitrary code, exploit requires specific queue-management privilege.

CVSS base score 7.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
1.46% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
30 September 2026
Updated
15 October 2026
Weakness
CWE-502

Vendor fix

Update to the latest version with the vulnerability fixed.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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