PatchTheCVECVE-2026-102108: An authenticated administrator of Kiteworks Email Protection Gateway could submit a crafted serialized object
CVE-2026-102108 is a high-severity flaw (CVSS 7.2) affecting kiteworks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.2 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 1.5% (top 27%) |
| CISA exploited list | No |
| Weakness | CWE-502 |
| Published | 2026-09-30 |
| Last modified | 2026-10-08 |
Last updated 2026-10-08 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-102108?
kiteworks: upgrade to 9.5.0. Exact commands for each OS are on this page.
Is CVE-2026-102108 being exploited?
CVE-2026-102108 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-102108 affect?
CVE-2026-102108 affects kiteworks. Severity is high (CVSS 7.2). 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 executi
How urgent is CVE-2026-102108?
Priority 44/100. High severity
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