PatchTheCVECVE-2026-102128: An identity-verification weakness in Kiteworks Email Protection Gateway allowed the gateway to act on the Kite
CVE-2026-102128 is a high-severity flaw (CVSS 7.5) affecting kiteworks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An identity-verification weakness in Kiteworks Email Protection Gateway allowed the gateway to act on the Kiteworks platform on behalf of a user it had not authenticated, and to provision a platform account for an identity it did not already know. A remote, unauthenticated sender could potentially exploit this to obtain control of a platform account.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 89%) |
| CISA exploited list | No |
| Weakness | CWE-287 |
| 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-2026-102128?
kiteworks: upgrade to 9.5.1. Exact commands for each OS are on this page.
Is CVE-2026-102128 being exploited?
CVE-2026-102128 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-2026-102128 affect?
CVE-2026-102128 affects kiteworks. Severity is high (CVSS 7.5). An identity-verification weakness in Kiteworks Email Protection Gateway allowed the gateway to act on the Kiteworks platform on behalf of a user it had not authenticated, and to provision a platform account for an identity it did not alread
How urgent is CVE-2026-102128?
Priority 34/100. High severity; Remotely exploitable, no login, no user action
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