Security Vulnerabilities
A stored cross-site scripting (XSS) weakness in Kiteworks Core could allow an administrator holding only a single, narrowly scoped delegated permission to store crafted content that later executes arbitrary JavaScript in the authenticated session of a System Administrator who views the affected page. This could have permitted the lower-privileged administrator to escalate to full administrative control of the tenant, including the creation of a new administrative account.
CVSS Score
8.1
EPSS Score
0.002
Published
2026-09-30
A form-rendering interface in the Advanced Forms component is reachable without authentication so that published forms can be displayed to anonymous visitors, but it returned more data than the form itself required. Anyone who knew the web address of a published form could potentially retrieve the form owner's Kiteworks account profile, including personal details, along with parts of the deployment's configuration settings; no passwords, authentication tokens, or multi-factor secrets were exposed.
CVSS Score
8.6
EPSS Score
0.003
Published
2026-09-30
A Kiteworks appliance setup interface did not enforce authentication once the appliance had completed initial configuration. An unauthenticated attacker with network access to the appliance could read and modify a limited set of setup records, including a contact name and email address captured during initial configuration.
CVSS Score
6.5
EPSS Score
0.002
Published
2026-09-30
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.
CVSS Score
8.8
EPSS Score
0.001
Published
2026-09-30
Kiteworks Core did not correctly validate a parameter submitted to the password reset workflow. An unauthenticated attacker who knew the email address of a user with a locally stored password could potentially reset that account's password without access to the emailed reset link and then authenticate as that user, including where the account holds administrative privileges.
CVSS Score
9.8
EPSS Score
0.003
Published
2026-09-30
A local privilege escalation vulnerability in Kiteworks could have allowed an attacker with an existing shell under a low-privileged service account to escalate to root privileges on the appliance.
CVSS Score
7.8
EPSS Score
0.001
Published
2026-09-30
-A weakness could have allowed an authenticated Kiteworks Email Protection Gateway administrator to write a file outside its intended location and cause the application to execute it, potentially resulting in remote code execution as the underlying service account.
CVSS Score
7.2
EPSS Score
0.006
Published
2026-09-30
Kiteworks did not enforce the maximum permitted value for a configurable security-policy setting. An authenticated administrator could set this value outside its intended range so that the associated control never activated, while the control continued to appear enabled in the administrative interface and audit log, allowing it to be silently rendered ineffective.
CVSS Score
4.9
EPSS Score
0.002
Published
2026-09-30
A privilege escalation vulnerability in Kiteworks could allow an attacker who has already obtained code execution as an unprivileged backend service account on the appliance to escalate to root and run arbitrary commands with the highest privileges. Exploitation requires existing local access to that service account.
CVSS Score
7.8
EPSS Score
0.001
Published
2026-09-30
A privilege escalation vulnerability in Kiteworks could allow an attacker who has already obtained code execution as an unprivileged backend service account on the appliance to escalate to root. A privileged routine did not safely handle a filesystem path that the lower-privileged account could influence, allowing the attacker to cause a root-owned operation to run arbitrary commands with the highest privileges. Exploitation requires existing local access to that service account.
CVSS Score
7.8
EPSS Score
0.001
Published
2026-09-30