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.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://github.com/kiteworks/security-advisories/security/advisories/GHSA-837h-99j2-hxjr Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.2 · accellionNVD modified 2026-10-08 13:43
Affected (CPE criteria) 1
cpe:2.3:a:accellion:kiteworks:*:*:*:*:*:*:*:*