CVE-2026-102135
6.6
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
On a Kiteworks Email Protection Gateway cluster with database replication enabled, a party trusted by the cluster could submit a crafted serialized object that was deserialized without sufficient validation, potentially allowing code execution as the gateway service account. Replication is disabled by default, and exploitation requires control of a trusted cluster peer or administrative access to the appliance.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Kiteworks | Email Protection Gateway | 0 < 9.5.1 | affected |
| Kiteworks | Email Protection Gateway | 9.5.1 | unaffected |
Weaknesses
- CWE-502: CWE-502 Deserialization of Untrusted Data
References
- https://github.com/kiteworks/security-advisories/security/advisories/GHSA-vmwr-r5xq-hp49
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json
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