Is CVE-2026-102094 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-102094 being exploited in the wild.

How severe is CVE-2026-102094?

High severity, with a CVSS score of 7.2, published 30 September 2026.

Which products and versions are affected?

Kiteworks Email Protection Gateway before 9.5.0.

Is there a fix for CVE-2026-102094?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-102094 attacked?

It is attacked over the network, in a network appliance.

Am I affected by CVE-2026-102094?

Check whether you run Kiteworks Email Protection Gateway at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-102094: Kiteworks Email Protection Gateway unsafe reflection in mail-rule configuration

CVE-2026-102094 · Severity: high · CVSS 7.2 · Published 2026-09-30

Kiteworks Email Protection Gateway is an email security appliance that filters and processes incoming mail according to configured rules. A flaw in how the gateway processes imported mail rules allows authenticated administrators to inject and execute arbitrary code within the mail processing service, potentially exposing or modifying email in transit or disrupting the gateway's operation.

Technologies: Kiteworks Email Protection Gateway. Vendors: Kiteworks.

Quick answers

Is CVE-2026-102094 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-102094 being exploited in the wild.
How severe is CVE-2026-102094?: High severity, with a CVSS score of 7.2, published 30 September 2026.
Which products and versions are affected?: Kiteworks Email Protection Gateway before 9.5.0.
Is there a fix for CVE-2026-102094?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-102094 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-102094?: Check whether you run Kiteworks Email Protection Gateway at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The vulnerability is an unsafe reflection flaw (CWE-470) in the mail-processing pipeline's rule configuration import mechanism. An authenticated administrator with mail-rule configuration privileges can craft a malicious rule configuration that causes the gateway to load and execute arbitrary code beyond the approved set of mail-processing components, running in the context of the mail-gateway service account. A patch is available in version 9.5.0.

Affected products

Kiteworks Email Protection Gateway before 9.5.0

Timeline

2026-09-30: disclosed

References

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