CVE-2026-102125 Kiteworks Core Sandbox Escape
A sandbox escape in Kiteworks Core allows attackers to escalate privileges, read or modify data, and disrupt services on the appliance.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-102125?
CVE-2026-102125 is a high-severity vulnerability in Accellion Kiteworks, published on 30 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The sandbox that isolates document conversion on a Kiteworks appliance did not fully confine the code running inside it. Code already executing within that sandbox could potentially escape its confinement and act with the privileges of the service account that runs the application, which could allow an attacker in that position to read or modify application data and configuration, or to disrupt the service on the affected appliance.
Which versions are affected by CVE-2026-102125?
It affects 1 product.
Products include Accellion Kiteworks.
How do I fix CVE-2026-102125?
No fix has been published for CVE-2026-102125 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-102125 being exploited?
There is no known exploitation of CVE-2026-102125 in the wild and no public exploit code.
Other vulnerabilities in Accellion Kiteworks
- CVE-2026-102115 Kiteworks Core Authentication Bypass in the Password Reset Workflow
- CVE-2026-102149 Kiteworks Email Protection Gateway Improper Access Control
- CVE-2026-102147 Kiteworks Core Administrative Account Takeover through Stored Cross-site Scripting (XSS)
- CVE-2026-102095 Kiteworks Email Protection Gateway server-side request forgery
- CVE-2026-102102 Kiteworks Email Protection Gateway server-side request forgery
Sources
Also known as GHSA-fhrr-6c58-49wq.