CVE-2026-102125: Kiteworks appliance sandbox escape in document conversion

CVE-2026-102125 · Severity: high · CVSS 8.8 · Published 2026-09-30

Kiteworks appliances process documents through an isolated sandbox environment. A flaw in this sandbox allows malicious code running inside it to break out and gain the privileges of the application service account, potentially exposing or modifying sensitive corporate data and configurations stored on the appliance.

Vendors: Kiteworks.

Quick answers

Is CVE-2026-102125 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-102125 being exploited in the wild.
How severe is CVE-2026-102125?
High severity, with a CVSS score of 8.8, published 30 September 2026.
Which products and versions are affected?
Kiteworks Appliance.
Is there a fix for CVE-2026-102125?
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-2026-102125 attacked?
It is attacked with local access, in a network appliance.
Am I affected by CVE-2026-102125?
Check whether you run Kiteworks Appliance. 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

A sandbox escape vulnerability in the document conversion service on Kiteworks appliances fails to properly confine code execution. An attacker with code execution within the sandbox can escape confinement and execute arbitrary commands with service account privileges, enabling data access, modification, and denial of service on the affected appliance.

Affected products

  • Kiteworks Appliance

Timeline

  • 2026-09-30: disclosed

References

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